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The string algae seems to grow in just a few hours in my stream. What can I do? | Decorative Ponds & Water Gardens Q & A

Q: The string algae seems to grow in just a few hours in my stream. What can I do?

Q: The string algae seems to grow in just a few hours in my stream. What can I do?

Edith – Marion, IN

A: String algae. It seems to just grow and grow, leaving a tangled mess of green slimy stuff in your stream and water garden. Like other types of algae, string algae thrives on sunlight and excess nutrients like fish waste and decomposing organic matter in the water. If you want to get rid of it, check out this five-step plan designed to get your string algae problem under control.

  • Add Plants: Water lilies, water hyacinth, water lettuce and other floating aquatic plants look much nicer than algae, right? These ornamental plants will compete for the food source algae uses for growth, so plant away! A simple rule of thumb is to have 60 percent of your pond covered with submerged, floating and marginal plants.
  • Ration Fish Food: Those pellets and sticks are necessary to feed your finned friends, but keep in mind that fish food adds nutrients to the water in two ways: as wasted food that the fish don’t eat, and as waste after the fish digest it. Monitor how much your fish actually eat and cut back if possible.
  • Pump Up Filtration: If your filtration system isn’t powerful enough to handle your pond’s total fish load, you’ll wind up with burgeoning algae growth and, in worst-case scenarios, lethal levels of ammonia – neither of which you want. Many filters on the market are rated for ponds containing no fish or minimal fish, so get a filter that is rated for at least two times the water volume of your pond.
  • Turn Up Aeration: Beneficial bacteria, like those found in the DefensePAC®, naturally break down fish waste, but they need oxygen to thrive and reproduce. By adding a PondAir™ Aeration System, you’ll boost the oxygen in the water, increase your bacteria levels and reduce the nutrient load, thereby reducing algae growth.
  • Use Oxy-Lift Defense: As needed throughout the season, use Oxy-Lift™ Defense® to lift string algae from waterfalls, streams and rocks. Simply shut down your waterfall, sprinkle the powder directly onto debris-covered areas and watch it instantly start foaming. In 24 hours, it will have removed the algae. Be sure to pull out any debris with a pond net.

String algae may seem like a never-ending battle, but you can manage it with these tried-and-true methods. Good luck!

Pond Talk: How often do you need to scrub string algae from your waterfall or stream?

Lift Debris From Waterfalls Instantly - Pond Logic (r) Oxy-Lift(t) Defense (r)

I just bought a plant package. What should I do now? | Decorative Ponds & Water Gardens Q & A

Q: I just bought a plant package. What should I do now?

Q: I just bought a plant package. What should I do now?

Rick – Winchester, NH

A: Congratulations! For water garden enthusiasts like us, opening an aquatic plant package is like celebrating Christmas in spring. A box of colorful flower tubers, oxygenating plants and algae-eating snails arrives at your doorstep, and you get to look forward to a season of fun in your backyard playground.

Depending on the package size (small, medium or large) you received, you’ll get:

  • Water lilies
  • Floating plants, like water hyacinth, water lettuce and parrot’s feather
  • Bog plants, like blue flag iris and dwarf cattail
  • Pond snails

These pond plants work together to shade the pond, aerate and filtrate the water, provide habitat for wildlife and insects (and your snails), and beatify your landscape.

Ready to get growing? Here’s how to care for – and play with – your Christmas-in-spring present.

Pond Snails

After traveling all those agitating miles to your doorstep, the Black Japanese Trapdoor Pond Snails may appear lifeless or even dead, but don’t worry: They’re most likely hiding inside their shells. Wake them up and welcome them to your garden by filling the bag halfway with pond water, and then floating or holding it for a few minutes while the gastropods acclimate to the new environment. Then place the open bag in a shallow area and let them work their way out and into the deeper section of your pond.

Plant Care

Before your plant package arrives, purchase some planting containers (like baskets, bags or pots) and aquatic planting media. Use soil designed for water gardens; avoid using bagged potting mix and other lightweight soils from your local garden center, as they will float and cloud the water in your pond.

  • Water lilies: With your pots and plant media ready, take out your water lily tubers and place one inside a pot with the growing tip facing outward. Fill in around the tuber with the aquatic planting media, making sure the roots are well spread and the crown is sitting just below the soil surface. Place the planted pot in a shallow area of your pond to encourage faster growth. Once leaves have reached the surface, you can move the water lily to a deeper part of your pond.
  • Floating Plants: These plants are easy to propagate. Simply place in the water! They will float freely and take up nutrients from the water through their root systems.
  • Bog Plants: Like the water lilies, these around-the-edge plants require a pot and planting material. Position the tubers in the media so that the cut end of the tuber is against the side of the pot, not in the middle. Why? Because the roots need as much room as possible to spread through the soil and across the container. Once it’s planted, submerge the container on a shelf that’s up to 6 inches below the water surface.

Keep Them Growing

Like the plants growing in your vegetable garden, your aquatic plants will require fertilizer to help them grow healthy and strong. Spikes or tabs, like CrystalClear® Thrive™ tablets, can be pushed into the soil at planting time. They’ll slowly release into the media, feeding your lilies and irises the nutrients they need to thrive. From April through August, continue to feed your plants, following all manufacturers’ recommendations for fertilizer application rates.

Pond Talk: What’s your favorite aquatic plant?

Pot Your Plants with Beneficial Bacteria - Microbe-Lift(r) Aquatic Planting Media

Why are water changes important? | Decorative Ponds & Water Gardens Q & A

Q: Why are water changes important?

Q: Why are water changes important?

Shirley – Warr Acres, OK

A: It’s nice to open a window on a warm spring day and let the fresh air flow through your house, right? Well, a partial or complete water change in your koi pond or water garden is the same thing: It freshens your finned pals’ environment, making them happy and healthy.

Here are five reasons why water changes are so important to your fish, plants and other aquatic life:

  1. Nutrient Removal: Muck and debris buildup happens in just about every water feature. A water change manually removes any excess nutrients and chemicals like nitrates, phosphates and ammonia that can be harmful to fish and other underwater critters.
  2. Healthy Fish: Fresh, clean water means improved water quality, which ultimately promotes your fishes’ health. Just as you need oxygen to thrive, your fish need clean water to thrive. Their well being is directly related to the liquid environment in which they live.
  3. Algae Control: Pea soup and string algae feed on all that decomposing waste, which they use as fertilizer. By removing those excess nutrients in the water column with a water change, you can discourage the growth of algae.
  4. Fights Foam: Foam forms when excess organic material has accumulated in your water garden. When this nutrient-laden water pours down your waterfall, the air and water collide, causing the proteins and other organics to be trapped inside bubbles rather than turning into ammonia and nitrites. A water change will quickly reduce that foamy buildup.
  5. Clears Water, Stabilizes pH: A water change will also improve the appearance of cloudy water and maintain pH levels, resulting in a pristine pond filled with healthy fish, lush greenery and clean water.

To keep stress levels down among your fish, we recommend doing partial water changes as soon as water temperatures reach 50° F. In addition, be sure to add some Stress Reducer PLUS and LiquidClear™ to your water. The Stress Reducer PLUS forms a beneficial slime coat on your fish and makes tap water safe for them. The LiquidClear’s™ beneficial bacteria helps to digest dead organics in the water, making it crystal clear.

Pond Talk: How often do you do water changes in your koi pond or water garden?

Builds Protective Slime Coating - Pond Logic (r) Stress Reducer PLUS

How often should I be changing my UV bulb? | Decorative Ponds & Water Gardens Q & A

Q: How often should I be changing my UV bulb?

Q: How often should I be changing my UV bulb?

Deborah – Providence Forge, VA

A: Your UV bulb is an important component of your pond’s filtration system. The bulb’s ultraviolet rays destroy the ultra-fine planktonic algae that cause green water by destroying the plant’s cellular walls. The tiny dead algae particles are then removed by your mechanical filtration system, leaving behind clean, clear water.

UV Ready

For maximum effectiveness, you should change your UV bulb at least once a year, such as when you perform your pond’s annual spring cleanout. If you’ve recently changed your bulb and your water is still turning pea soup green, you might need to simply clean off debris that has built up on the bulb itself.

Whether you have a standalone UV clarifier, like the PowerUV™ or one that’s part of a filtration system, like our ClearSolution™, use a soft cloth when cleaning or changing the bulb rather than using your bare hands. The oils on your skin can actually shorten the lifespan of your bulb.

Unfortunately, a UV clarifier does not affect string algae at all, so you’ll need to use AlgaeOff® or AlgaeFix® to rid your pond of it. But if your pond turns green from planktonic algae every year from full sun exposure or too many fish, a UV clarifier is an excellent solution.

Preventing Algae Growth

Though UV bulbs do a great job with green water, an even better solution is to prevent algae growth in the first place. Planktonic algae flourishes in ponds that have nutrient-rich water—meaning water that has lots of fish waste, leftover fish food, decomposing plant material and even fertilizer from your lawn.

You can tamp that green growth down by reducing the number of fish in your pond, minimizing the amount of food you feed them and cleaning up the waste they produce, as well as regularly removing the built-up detritus.

Consider using the Pond Logic® DefensePAC®, which uses beneficial bacteria to improve water quality throughout your water column, eliminate muck and built-up debris, and enhance fish health. With quick and easy application, you’ll see noticeable results in no time.

Pond Talk: Besides using a UV bulb, what do you do to reduce or eliminate planktonic algae in your pond?

Replace Your UV Bulb Yearly - Replacement UV Bulbs

Now that it’s spring, when do I start using my DefensePAC? | Decorative Ponds & Water Gardens Q & A

Q: Now that it’s spring, when do I start using my DefensePAC(r)?

Q: Now that it’s spring, when do I start using my DefensePAC®?

Jan – Avoca, NY

A: Containing everything you need to jump start your backyard pond or water garden in the spring, your DefensePAC®” package can be cracked open as soon as the ice melts and water temperatures are consistently above 40°F.

The first products in the pack you’ll use are Oxy-Lift™ Defense® and Seasonal Defense®. They’re perfect for cleaning out your pond and prepping it for spring.

  • Oxy-Lift™ Defense® lifts debris from waterfalls, streams, rocks and anywhere else muck collects in your pond. Simply shut down your waterfall and/or streams, sprinkle on the affected areas and watch the foam get to work breaking down that unsightly buildup. Use Oxy-Lift™ Defense® only when needed.
  • Seasonal Defense® contains hungry beneficial bacteria that will immediately get busy gobbling through leaves, scum and settlement that have collected over the winter. Spring applications should begin at pond startup or just after ice melts. Use Seasonal Defense® once a week for four weeks in the spring.

The other ingredients in DefensePAC®—including Nature’s Defense®, Clarity Defense® and Muck Defense®—all work to promote a healthy ecosystem, clean and clear the water column, and break down organics in your pond. They can be used on a routine basis throughout the spring and summer.

  • Nature’s Defense® contains natural bacteria that breaks down organics in your water garden. These organics, if left alone, are a food resource for algae—which is not something you want to feed. Because it works best when temperatures are above 50°F, check you water’s temperature with a Floating Pond Thermometer before dosing. Use Nature’s Defense® every two weeks throughout the season.
  • Clarity Defense® is designed to clarify ponds. It locks up excess nutrients, making them unavailable as a food source for algae, and settles suspended particulates that are in the water column. It also stimulates natural bacteria growth and buffers pH levels.
  • Muck Defense® also contains natural bacteria that accelerate the decomposition of organic matter caused by rotting leaves, algae and fish waste. This is great for water gardens that were constructed with rocks and gravel that are difficult to vacuum. We suggest using Muck Defense® every four weeks throughout the season when water temperatures are above 50°F.

DefensePAC® is a five-step solution to cleaning and clearing your pond—and keeping it that way all season long.

Pond Talk: What kinds of changes are you planning to make to your water garden this spring?

Debris Lifts Away in Seconds - Pond Logic (r) Oxy-Lift™ Defense®

How do I know if my filtration system is adequate for my pond? | Decorative Ponds & Water Gardens Q & A

Q: How do I know if my filtration system is adequate for my pond?

Q: How do I know if my filtration system is adequate for my pond?

Roger – Grayson, GA

A: Clean, clear water is a must-have in any water feature. It allows you to see those gorgeous koi and goldfish swimming below the surface. It shows that you have excellent water quality, with plenty of oxygen for your pond’s inhabitants—including the microscopic ones, like beneficial bacteria. And it puts off no offensive odors, which means you can host shindigs by your water garden without scaring off your friends.

When your water quality is suffering, your pond is telling you that your filtration isn’t up to par. Here are four clear signs that say you need to kick it up a notch.

  1. Algae Blooms, Clarity Concerns: If you have a filtration system in place but you still have water clarity issues and algae blooms, that’s an obvious indicator that you need an upgrade. When selecting a more powerful filtration system, like our AllClear™ PLUS Pressurized Filters with a built-in ultraviolet clarifier, make sure it’s sized appropriately for your pond and its nutrient load.
  2. Fish Frenzy: If your pond’s resident fish have multiplied and grown over the years, then you’re likely overdue for a more powerful filter system. Most filter systems are marketed for a minimal fish load, so too many fish producing waste will overload the system. Remember: The rule is to allow 1 inch of adult fish per square foot of surface area. If you have too many koi or goldfish in your pond, you should think about finding new homes for some of your finned friends or increasing your filtration.
  3. Toxic Test Results: Test your pond’s water with one of our Master Test Kits to find out what your ammonia, nitrite and phosphate levels are. If you see high ammonia levels or if your fishes’ health has been suffering, the pond lacks proper filtration.
  4. Foamy Falls: Have you seen foam build up at the base of your waterfall or stream? All that frothiness, which is caused by excess protein and oil excreted by fish and other pond dwellers, can be a sign of excessive nutrient levels caused by inadequate filtration. A higher-powered filter system can help remove and dissipate that foam.

If you have a waterfall filter box, you can easily boost your filtration system’s water-cleaning power by adding Matala® Filter Pads. With four different densities—low, medium, high and super high—you can mix and match them to suit your pond’s unique needs.

Pond Talk: What telltale sign told you that it was time to increase your filtration system?

3 Types of Filtration, 1 Powerful Unit - Pond Logic (r) AllClear(t) PLUS Pressurized Filters

Should I clean my filter media or replace it? | Decorative Ponds & Water Gardens Q & A

Q: Should I clean my filter media or replace it?

Q: Should I clean my filter media or replace it?

Cindy – Dover, DE

A: Those plastic pads, BioBalls™ and Bacti-Twist® that live in your waterfall box, skimmer box and filter unit play a very important role in your water feature. The filter media’s surface is home to millions of beneficial bacteria, which are the biological filtration system in your pond.

Here’s a quick guide that outlines how to care for your filter media – and those tiny microbes.

  1. Clean Infrequently: Once or twice a year, or when your water flow is significantly reduced, inspect and clean your filter media. Rather than scrubbing it spotless with soap or harsh abrasives, gently spray it down with your garden hose, being careful to maintain as much of the beneficial bacteria as possible while blasting away the gunk.
  2. Replace As Needed: If the filter media looks worn on the edges or has gaping holes in it, replace it with some new media, like Matala® Filter Media Pads for extended life and performance, or with our standard reusable 2-inch filter pads, which are perfect for waterfall filters and skimmer boxes.
  3. Seed Some Bacteria: If you need to replace your media, you’ll need to inoculate it with beneficial bacteria. First, test your pond’s water temperature. If the water temperature is 40-50° F, add Pond Logic® Seasonal Defense® to the pond or dump it right on top of the media in your waterfall box. If it’s more than 50° F, seed the filter media with PL Gel and let it set for one to two hours before putting it in your filter unit.

This spring, it’s a great idea to check your filter media and make sure it’s in good working order. Doing so will save you time, hassle and money by getting your pond off to a strong start so you can avoid dealing with insufficient filtration later in the season.

Pond Talk: How often do you replace your filter media?

Easy to Clean and Extremely Durable = Matala(r) Filter Media Pads

What steps should I do for a spring cleanout? | Decorative Ponds & Water Gardens Q & A

Q: What steps should I do for a spring cleanout?

Q: What steps should I do for a spring cleanout?

Carol – Beaverton, OR

A: Ice melting, sun shining, cabin fever driving you batty … yep, spring must be on its way. For water garden hobbyists, that means one thing: It’s time to head outside and prepare the pond for spring. With some basic planning and a handy-dandy cheat sheet (like this one below), you will have your outdoor oasis cleaned up and ready for fun in no time.

Gather your tools, pull on your hip waders and gloves, and let’s get cleaning!

  1. Evaluate the Pond. The first step is to take a look at the pond and determine what kind of work needs to be done. Did you do a great job cleaning out the pond last fall? Did you procrastinate too long and let those leaves build up? Is it time to give the water feature a top-to-bottom scrubbing?
  2. Minimal Work Required. If you adequately prepped the pond last fall and, after evaluating it this spring, discovered clear water and minimal debris, you’ll only need to do some light cleaning. Scrub the rocks with Oxy-Lift™ Defense®, replace filter pads in the waterfall filter or skimmer box, and perform a 20 percent water change.
  3. Drain Pond, Relocate Your Fish. If a complete cleanout is necessary, you’ll need to drain the pond. Siphon some of the water into a holding tank for the fish, and transport them safely to their temporary home with a pond net. Add some healthy oxygen to the water by submerging and turning on a bubbler or air stone in the tank.
  4. Check Tubing, Remove Debris. While you’re draining the pond, don’t forget to purge the water from the tubing and remove any large debris, like branches or dead foliage, by hand.
  5. Power Wash Away. To remove tough algae growth on rocks, liner and gravel, treat with Oxy-Lift™ Defense® and use a power washer to scrub away the debris if necessary.
  6. Skimmer, Waterfall Wash. Once the dirty water has been drained from the pond, clean out the skimmer and waterfall boxes using a garden hose, spraying away excess muck and buildup. If the filter media looks worn down, now’s the time to replace it.
  7. Check Lighting, Aerator. With the water drained from the pond, you have a perfect opportunity to inspect any underwater lighting fixtures, check the bulbs and clean the lenses – or, better yet, add some new Pond Lighting for dramatic backyard effect. It’s also a good time to check the aerator and make sure it’s working properly.
  8. Reconnect and Reinstall. If you removed and stowed the filter, pump and ultraviolet clarifier last fall, pull them back out and dust them off. Reconnect the plumbing and filters, and reinstall the pumps and UV clarifiers. While you’re at it, change the UV bulbs, too; they need to be replaced once a year for optimal algae-control effect.
  9. Refill, Prep the Pond. Once you’re done with the spring cleaning chores, refill the pond with some fresh water. In addition, be sure to add some Stress Reducer PLUS , which removes chlorine, chloramines and heavy metal from tap water. Then acclimate the fish to the new water and add them back into the pond.
  10. Boost Your Bacteria. Keep the water clean and clear by adding some beneficial bacteria to the pond. Test the water temperature to be sure it’s above 55 °F and add PL Gel to the filter media and Seasonal Defense® to the pond water to help jump start the growth of good bacteria.
  11. Add Aquatic Plants. Finally, be sure to add a variety of pond plants to the water feature. Bog plants beautify the circumference of the pond; floating plants, lilies and lotus provide shade and pops of color; and submerged plants release extra oxygen to the water. They all provide added all-natural filtration and habitat for all underwater pond dwellers.

A spring cleanout may seem like a daunting task, but the time and effort you put into it will pay off with a tranquil backyard oasis. Happy spring!

Pond Talk: How has this winter’s wacky weather affected your pond or water feature? Will you have major work to do in the spring?

Debris Lifts Away in Seconds - Pond Logic (r) Oxy-Lift™ Defense®

Why does my pond sometimes turn green in the spring? | Decorative Ponds & Water Gardens Q & A

Q: Why does my pond sometimes turn green in the spring?

Q: Why does my pond sometimes turn green in the spring?

Randy – Huntington, WV

A: After a long, dreary winter, the sight of spring’s green shoots and leaves are a welcome sign – but not in your pond. Green water means algae growth, and that’s not something you want to see flourish. Besides being unsightly, algae degrades your water quality and can actually harm your aquatic pets.

So what can you do to prevent your water garden from turning green?

Add Seasonal Defense®: As long as water temperatures are below 50° F, you can add Seasonal Defense® to your pond. It contains aerobic bacteria that are specially designed for cooler water. When used at this time of year, the waste-gobbling microorganisms will break down dead foliage, fish waste and other sediment that fuel algae growth in your pond.

Keep Up on Your Chores: Make sure you also keep up on your spring cleaning chores because all that decomposing debris feeds algae. Regularly check and clean out your skimmer basket, and remove any leaves or large pieces of debris that blow into the pond with your Collapsible Skimmer & Fish Net. This will encourage the beneficial bacteria in Seasonal Defense® to focus their energy on breaking down fine organic material and muck.

Add Barley Straw Extract: All-natural chemicals found in decomposing barley straw help keep your pond’s water crystal clear. If you add Barley Extract, you don’t have to wait for the straw to decompose. Simply add it to your water according to the label’s instructions and enjoy a clean and healthy water feature. For best results, use Barley Extract in conjunction with Seasonal Defense®.

Pond Talk: What upgrades will you be making to your pond or water garden this year?

Replenish Bacteria Loss This Spring- Pond Logic (r) Seasonal Defense(r)

My koi didn’t spawn last year. How can I get them to spawn? | Decorative Ponds & Water Gardens Q & A

Q: My koi didn’t spawn last year. How can I get them to spawn?

Q: My koi didn’t spawn last year. How can I get them to spawn?

Judy – Springfield, MO

A: Sounds like your koi were being a bit coy last year! If you want your fish to get frisky this spring and produce a brood of colorful fry, break out the bubbly and try out these tips and techniques that will create the perfect mood for love.

  1. Create Ambiance – Your koi don’t need soft candlelight and rose petals for romance, but they do prefer an aquatic environment that’s as pristine as possible. Perform regular water changes – that’s changing out 10% to 20% of your water every two weeks – to help keep things clean and clear. Once water temperatures climb back up to 50°F, you can also begin adding the water-quality-boosting products found in DefensePAC®, like Seasonal Defense®, Nature’s Defense® and Clarity Defense®.
  2. Heat Things Up – Temperature and time of year matter when it comes to koi feeling amorous. The fish typically spawn when water temperatures are 65° to 70°F. In many ponds, this typically happens between May and June – in late spring and early summer, when the birds and bees start to get busy!
  3. Give Them a Love Nest – Like you and me, koi like their privacy when it’s time for them to mate. Before spring settles in, make sure you give them plenty of cozy spots and hiding places. Plants, tunnels, and Nycon Koi Kastle Fish Shelters will provide excellent coverage for them. In addition, give them a safe place to lay their eggs, like a fry mat or similar device.
  4. Know the Signs – When you see the male koi chasing after the females, you’ll know the game of love is on. Keep an eye on their behavior; however, because the males might try to run into the females, or push them into the rocks and the side of your pond to try to get them to release their eggs. Another telltale sign: Cloudy or foamy water accompanied by a distinct odor.
  5. Keep the Fry Safe – Once the fry emerge from their eggs, they can’t swim and will need a protected area that’s safe from natural predators, like tadpoles, frogs and koi. Make sure you give them plenty of coverage with water hyacinth, water lettuce and other aquatic plants. You might also consider using a fine mesh tent, like the Nycon Fish Spawning Incubator, to protect them and prevent them from getting sucked in and lost in your filtration system.

With a little staging and encouragement, it’s not too difficult to convince your koi to spawn. Follow these tips, keep the brood safe once they hatch and, before long, you’ll have a pond full of small fry! Good luck!

Pond Talk: Have you successfully spawned your koi? What worked – and what didn’t?

All-Natural, Complete Pond Care System - Pond Logic(r) DefensePAC(r)

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