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How do I know which chemicals will treat my weeds? | Ponds & Lakes Q&A

Q: How do I know which chemicals will treat my weeds?

Q: How do I know which chemicals will treat my weeds?

Henry – Markesan, WI

A: Weeds. Whether they’re algae or submerged, floating or shoreline plants, they’re a nuisance—not to mention a potential hazard to your game fish and pond or lake health. In order to manage these green invaders, you should get to know them a little better. Don’t worry: you don’t need to be a Master Gardener to identify and treat them. Here’s all you need to know:

1. Know the Weeds

Before you start dumping chemicals on the weeds in your pond, you’ll first need to understand the different types of aquatic weeds that pop up in lakes or ponds. There are four basic categories:

  • Algae. Algae comes in three basic types: Planktonic, which causes the pea soup look in your water; filamentous, which creates blankets of stringy stuff or pond scum; and chara or muskgrass, which smells like musky garlic. When you take a closer look, these weeds have no defined root systems, unlike their other weed cousins.
  • Submerged. Submerged weeds live underwater. This group of troublemakers includes bladderwort, several types of pondweed, watermilfoil, parrot feather and hydrilla. They look like a typical plant, with leaves, stems and root systems.
  • Floating. Floating weeds generally reside in shallow water and have root systems that reach into the water or down into the soil, allowing their leaves and flowers to rise to the surface. They include watermeal, duckweed, azolla and even water lilies. When not kept in check, these floaters can take over a pond in no time.
  • Emergent. Emergent weeds live along your lake’s shoreline. These plants like to keep their feet wet; their foliage, leaves and flowers live out of water, but their root systems prefer wet, almost completely saturated soil. Emergent weeds include cattails, phragmites, purple loosestrife and bulrush.

2. ID the Weed

Once you identify the category of weed you’re dealing with, head over to our Weed Control Guide and try to match weed with the picture. For example, is it a floating plant with a root system? Then you’re dealing with a type of floating weed. Is it completely submerged? Then you’re dealing with a type of submerged weed.

Each weed included in our Weed Control Guide will describe the best treatment options to manage it. Not sure of the weed? Snap a close-up photo and e-mail it to us at weedid@thepondguy.com. Of course, you can always call us toll-free for advice, too, at 866-POND-HELP (766-3435)!

3. Treat the Weed

Once you’ve ID’d the weed, treat it with its appropriate herbicide, remembering to always follow label instructions when applying it to your pond or lake. If you have fish in your pond, we suggest treating in sections as sudden changes in water conditions can affect aquatic species. Treat 1/4 – 1/2 of pond at a time, while waiting 10-14 days between treatments.

4. Remove the Remains

Once the chemicals start working to kill the weeds, make sure you remove the decomposing foliage with a weed rake, like the Jenlis Weed Razer™ Aquatic Weed Cutter. Why? Because anything dead will turn into muck and start the weed/algae cycle again—which is not something you want to happen, right?

Pond Talk: What tips do you have for managing aquatic weeds?

Broad Spectrum Pondweed Control - Pond Logic® Ultra PondWeed Defense®

After a really warm day, I have algae floating on my pond. How do I control it? | Ponds & Lakes Q&A

Q: After a really warm day, I have algae floating on my pond. How do I control it?

Q: After a really warm day, I have algae floating on my pond. How do I control it?

Steve – Grand Rapids, MI

A: Plants in your vegetable garden love the warm sunshine—and so do the plants in your pond or lake, including algae. Warm temperatures and bright sunshine trigger green growth, so it’s critical to keep floating and submerged algae under control before it grows out of control.

Here’s what we recommend:

1. Treat the Growth

First, use an algaecide to kill the green stuff. You can treat floating algae with a fast-acting liquid spray like Pond Logic® Algae Defense® Algaecide with Treatment Booster™ PLUS, which treats algae floating around the perimeter of your pond. Simply spray it on with a pressurized sprayer to combat floating and bottom-growing algae.

Submerged algae can be treated with sinking granular products, such as Cutrine®-Plus Granular Algaecide. It works well for algae submerged deep in your pond or lake, such as Chara. It’s best distributed on a calm day via a granular spreader in the morning before mats form.

2. Remove the Dead Algae

Once the algae is dead, you should remove it. Why? Because that decomposing foliage turns into pond muck, which feeds future algae blooms throughout the season. Use a pond skimmer, like The Pond Guy® PondSkim™ Debris Skimmer, or a lake rake, like The Pond Guy® Pond & Beach Rake, to prevent that muck from accumulating.

3. Add Beneficial Bacteria

Three days after you’ve used algaecides, treat your pond with PondClear™. It contains beneficial bacteria that gobbles through the organic material that’s suspended in the water column. The result is a lake filled with clean, clear, odor-free water—and a healthy ecosystem for your game fish and other pond inhabitants.

4. Shade Water with Pond Dye

Finally, be sure to add blue or black pond dye, like Pond Logic® Pond Dye, to your lake throughout the spring and summer. By reducing the amount of sunlight that shines through the water and stimulates green growth, you will ultimately reduce the amount of algae.

Pond Talk: What lakeside recreational activities do you have planned this summer?

Eliminate Algae Quickly - Pond Logic® Algae Defense® & Treatment Booster™ PLUS

I hear about being proactive, but what are PondClear™ and MuckAway™, and how does it help my pond? | Ponds & Lakes Q&A

Q: I hear about being proactive, but what are PondClear™ and MuckAway™, and how does it help my pond?

Q: I hear about being proactive, but what are PondClear™ and MuckAway™, and how does it help my pond?

Ed – Cambridge, NY

A: Your agricultural pond or fish-filled lake faces an unseen threat: an inorganic chemical called phosphate. Found in many fertilizers used in farming applications, phosphates do wonders for helping plants to grow—but when they leech into your pond or lake after a heavy rain, they can fuel algae blooms that can ultimately do harm to your fish population, not to mention being unsightly and malodorous.

Though it may be difficult to prevent those phosphates from finding their way into your water, you can take a proactive approach to minimize the algae growth and protect your fish. This involves binding and removing the phosphates, cleaning up the water column and breaking down accumulated muck.

And that’s where EcoBoost™, PondClear™ and MuckAway™ come into play. They’re the one-two-three punch your pond needs to stay healthy.

Bind the Phosphates

EcoBoost™, which is found in ClearPAC® PLUS, grabs hold of the algae-stimulating phosphates and other suspended organics in your pond, allowing the beneficial bacteria in PondClear™ and MuckAway™ to grow and gobble through excess nutrients in the water. EcoBoost contains more than 80 trace minerals to promote fish health and fast growth, as well as helping to create clean and clear water that your finned friends will appreciate!

Clean the Water

PondClear™ is designed to clean the water from the top down. It contains beneficial bacteria that devour excess nutrients that are suspended in the water, which feed algae. The natural bacteria digest the organic debris, leaving behind water that’s clean and clear while promoting a healthy ecosystem for your lake’s inhabitants.

Remove the Muck

MuckAway™ cleans the water from the bottom up. The pellets sink to the bottom of your pond and release beneficial bacteria that eat away at any accumulated pond muck. The result is improved water clarity and reduced odor. With regular use, MuckAway™ can break down up to 5 inches of muck per year—and that means less nutrients to feed algae blooms.

Keep in mind that these products will take some time to kick in. It took a long time for the muck and debris to collect in your pond or lake, and so it won’t disappear overnight. Be patient and follow the dosage schedule, and you’ll ultimately be pleased with the results.

Pond Talk: What algae-prevention strategy do you follow?

Remove Excess Nutrients & Noxious Odros - Pond Logic® PondClear™

Now that temperatures are getting warmer, algae keeps growing. How do I stop algae from taking over? | Ponds & Lakes Q&A

Q: Now that temperatures are getting warmer, algae keeps growing. How do I stop algae from taking over?

Q: Now that temperatures are getting warmer, algae keeps growing. How do I stop algae from taking over?

Jeremy – Clinton, IA

A: It sure doesn’t take much for algae to grow out of control! Combine warm sunshine with some algae-loving nutrients and, before long, you’ll have a pond full of pea soup. When it’s thick and dense, those tiny plants can then suck all the oxygen from the water, leaving your fish gasping for air. Plus, it looks bad and can cause some major stink.

For the health of your fish and your lake, you must regain control. Here’s a two-pronged approach that works to eliminate the green stuff and prevent it from taking over.

TREAT THE GROWTH

First, you need to get rid of the algae blooms. For floating algae and chara that’s less than 3 feet deep, use Algae Defense®. The aquatic algaecide comes in a fast-acting liquid formula that can be directly applied to your lake with a pressurized sprayer. If you’re dealing with chara that’s deeper than 3 feet, use Cutrine®-Plus. Its granular formula sinks to the bottom of your lake and destroys the algae.

Once the algaecides start working to kill the blooms, don’t forget to remove dead algae from the pond with a tool like the Pond Rake. If you leave the dead foliage in the lake, will start to break down and become nutrients—or algae food—for new blooms. It’s a vicious cycle!

TREAT THE SOURCE

Now that you’ve got the algae under control, it’s time to get proactive and prevent its future growth. Begin by adding PondClear™ & MuckAway™. These products contain beneficial bacteria that gobble through excess nutrients like suspended organic waste and muck in your pond. The result: Clean and clear water with no noxious odors.

Next, shade the water with pond dye. By preventing the sun’s rays from penetrating the water, you’ll starve the algae of sunlight, which it needs to thrive.

ONE-STOP SHOPPING

Looking for an easy solution? Check out the ClearPAC® PLUS. This all-in-one algae destroyer contains everything you’ll need to kill the algae and prevent future growth. It contains algaecide, beneficial bacteria and pond dye to fight algae and suspended debris all season long.

Pond Talk: How do you prevent excess nutrients from entering your pond or lake?

Eliminate Algae Quickly - Pond Logic® Algae Defense® & Treatment Booster™ PLUS Combo

When can I start treating the floating algae in my pond? | Ponds & Lakes Q&A

When can I start treating the floating algae in my pond?

Q: When can I start treating the floating algae in my pond?

Alex – East Earl, PA

A: The magic number you’re looking for is 60—a water temperature of 60° Fahrenheit, that is. Chemicals that treat algae aren’t very effective at temperatures below that, and so the time to start attacking the green growth is when your underwater thermometer reads higher than 60°.

Once your lake water is warm enough, you can start treating floating algae with a chemical of choice depending on your pond’s situation:

  • If You Have Submerged Algae: Granular products, such as Applied Biochemists Cutrine®-Plus Granular Algaecide, work well for algae submerged deep in your pond or lake, such as Chara. It’s best distributed on a calm day via a granular spreader in the morning before mats form.
  • If You Have Surface or Perimeter Algae: Fast-acting liquid spray, such as Pond Logic® Algae Defense® Algaecide with Treatment Booster™ PLUS, effectively treats algae floating around the perimeter of your pond. Simply spray it on with a pressurized sprayer to combat floating and bottom-growing algae.

Once the algae is dead, remove it as soon as possible with a pond skimmer, such as The Pond Guy® PondSkim™ Debris Skimmer, or a lake rake, like the Pond & Beach Rake. By removing the dead growth, you prevent the organic muck material from accumulating along the pond bottom and feeding future algae blooms throughout the season.

If water temps are below 60, practice some patience. You’ll have to wait until your lake’s water warms before you can battle the green menace with chemicals. If your algae situation is already excessive, however, get out your Rake and start removing some of those mats until you can nuke them with chemicals.

Pond Talk: How much algae growth have you had so far this year?

Eliminate Algae Quickly - Pond Logic® Algae Defense® & Treatment Booster™ PLUS

Is it too cold to treat my pond with the ClearPAC® PLUS? | Ponds & Lakes Q&A

: Is it too cold to treat my pond with the ClearPAC® PLUS?

Q: Is it too cold to treat my pond with the ClearPAC® PLUS?

Steve – Denham Springs, LA

A: The Pond Logic® ClearPAC® and ClearPAC® PLUS combine PondClear™, Algae Defense®, EcoBoost™ and Nature’s Blue™ Pond Dye to combat algae and suspended debris and beautify your lake or pond. Some components of this super-pack have temperature limitations while others can be used year-round. Let’s take a closer look at each one.

PondClear™ (and MuckAway™)

Beneficial bacteria that break down muck and suspended debris, such as those found in PondClear™ (and MuckAway™ in ClearPAC® PLUS), can be used when water temperatures rise to more than 50° Fahrenheit or so. Though that temperature is not a definitive starting point, the bacteria will become more effective as the temperatures rise. Bottom line: When your underwater thermometer tops 50°, it’s time to start treating your pond or lake with ClearPAC®.

Algae Defense®

This algae-destroyer can be used to treat troublesome floating filamentous algae, bottom growing chara or the planktonic algae as long as it’s green and growing, and the water temperature in your pond or lake is above 60° Fahrenheit.

EcoBoost™

EcoBoost™, which is a bacteria booster rather than an actual bacteria, has no temperature restrictions so it can be used year-round to bind phosphates that find their way into your pond or lake. You can use EcoBoost™ throughout the spring to give you a head start on pond season.

Pond Dye

The final ingredient in the Pond Logic® ClearPAC®, Nature’s Blue™ Pond Dye, is not temperature-sensitive, so it can be used year-round to give your pond or lake that aesthetic appeal throughout the winter months. And if spring storms are preventing you from standing next to your pond pouring in a quart of dye, try Pond Dye Packets—all you do is toss the water-soluble packet into the water and head back to your warm and toasty home!

Pond Talk: What changes do you have planned for your fish pond or lake this year?

Eliminate The Guesswork - Pond Logic® ClearPAC® PLUS

Can I add barley to my 1/2 acre pond? | Ponds & Lakes Q&A

Can I add barley to my 1/2 acre pond?

Q: Can I add barley to my 1/2 acre pond?

Bill – Ashville, OH

A: Barley straw and ponds have some great chemistry. As a barley straw bale breaks down in water, it produces and releases many chemical compounds—and one of them may actually control algae growth.

How? Scientists from the Ohio State University Extension report that the compound interferes with and prevents the new growth of algae cells. As the old algae cells naturally die off, few new algae cells are produced—thereby controlling the overall algae population.

Sounds like a perfect solution for your 1/2 acre lake, right?

Well, barley straw will technically work to control algae in all that water—but you’ll need a ton of barley to accomplish it! More precisely, you’ll need as much as 112 pounds per 1/2 acre of surface area, according to OSU experts.

That’s great if you live next to a barley field, but that’s not a reality for most of us …

And accessibility to all those pounds of straw isn’t the only challenge. The bales are also tough to handle. In a small 1,000-gallon pond, small bales of barley straw can be used and tucked away in the filter, out of view. But in a sizable pond or lake, large bales are cumbersome to haul and position.

Not only that, but they also need to be broken apart to allow the right amount of oxygen in the middle of the bale so it properly decomposes, which means all that loose material will float to the pond’s surface and really make a mess of things.

Rather than wrangle all that barley straw, try an Airmax® Aeration System instead coupled with a beneficial bacteria product, like MuckAway™. The aeration system will circulate the pond water, allowing the bacteria to break down all the muck.

Low amounts of nutrients in the pond means less food for plants and weeds—and that’s some chemistry every lake owner should understand.

Pond Talk: Do you prefer aeration and beneficial bacteria over barley straw? If so, why?

Reduce Mucky Pond Bottoms - Pond Logic® MuckAway™

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