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I’ve used lava rock in my filter for years. Are bioballs really that much better? | Decorative Ponds & Water Gardens Q & A

Q: I’ve used lava rock in my filter for years. Are bioballs really that much better?

Q: I’ve used lava rock in my filter for years. Are bioballs really that much better?

Dana – Altadena, CA

A: The media you use in your filtration system matters. Just think about its purpose: To house billions of beneficial bacteria and other microorganisms that keep your pond alive, crystal clear and algae-free. Thanks to their ample surface area, both lava rock and bioballs will work, but bioballs have some benefits over the rock. Read on to learn more.

Lava Rock’s Limitations

Lava rock – that igneous rock that’s formed as an erupting volcano’s molten lava cools and hardens – is very porous. When chunks of it live in your filtration system, you’re providing a lot of surface area for those beneficial bacteria to colonize and grow. That’s what makes it such a great filter media.

It does, however, have its drawbacks.

  • Clogged Holes: Over time, the porous rock can become easily clogged with muck and debris. Once the holes and pockets are clogged, they can become very difficult to clean out – which ultimately creates less overall surface area.
  • Hard Water: Lava rock naturally contains a variety of minerals, including iron and magnesium, that could affect your water’s pH, making it harder. Hard water could make it more difficult to treat algae that forms.
  • It’s Heavy!: They may be porous chunks of rock, but hefting bags of it takes some strength – particularly when its wet and full of gunk.

Benefits of BioBalls

Bioballs, like The Pond Guy® BioBalls™ filter media, are plastic spheres made up of dozens of thin rods that provide plenty of surface area for beneficial bacteria to thrive. Two hundred of the bioballs in a mesh bag will filter about 1,000 gallons of water in a pond with minimal fish.

Compared to lava rock, bioballs have some definite benefits.

  • Easy to Clean: Bioballs can also become clogged, by they’re easy to clean. Just rinse them off with water from your pond and you’ll be good to go.
  • Indefinite Lifetime: Because they’re made from long-lasting material, bioballs will not degrade and will function equally well year after year.
  • Shape Shifters: The bioballs’ round shape allows them to more easily conform to any filter, no matter its shape.
  • Lightweight, Easy to Handle: Each one of these tiny, 1 1/2-inch plastic spheres weighs a scant 0.3 ounces; 200 of them weigh a whopping 3 1/2 pounds. They’re easy to deposit and remove from your filter thanks to a mesh filter bag.

Consider making the switch from lava rock to bioballs. You’ll see better results and you’ll need to do less maintenance. What’s better than that?

Pond Talk: Why do you prefer bioballs over lava rock?

Lightweight & Easy to Clean - The Pond Guy® BioBalls™

What should I do with my filter media during the winter? | Decorative Ponds & Water Gardens Q & A

Q: What should I do with my filter media during the winter?

Q: What should I do with my filter media during the winter?

Barb – Sterling, CO

A: Your pond’s filter media—the Matala® Filter Media Pads, The Pond Guy® BioBalls™ or Bio-Ribbon that house your beneficial bacteria—will need a little attention going into the winter. You won’t need your filter media during the cold months, but you should inspect it, clean it and purchase replacements parts before you start your water feature up again in the spring. Here’s a rundown of what to do:

Filter Media Pads: Pull out your filter media pads from your pond’s filtration system, waterfall box and skimmer, thoroughly rinse off the debris with your garden hose, and look for frayed edges, holes, large deposits of solid debris or other signs of damage. Plan to replace worn pads as necessary in the spring. You can choose from specially coated Matala® Filter Media Pads, which come in four different densities for your unique filtration needs, or cost-effective rolls of filter media that can be cut to fit and are ideal for waterfall boxes and skimmers.

BioBalls and Other Loose Filter Media: If you use secondary filtration, like The Pond Guy® BioBalls™, Bio-Ribbon, blocks or other loose filtration media that’s kept in a mesh bag, remove it all from your filter or waterfall box after you shut down your waterfall, rinse the bag and its contents thoroughly, and check the bag for holes or worn areas. Replace the bag if necessary in the spring.

After your filter media is rinsed and inspected, you can store them for winter in the filter, waterfall box or skimmer. The filter pads, BioBalls™ and other media will survive just fine outside, even in freezing temperatures. If desired, you can also remove them and stow them inside a garage or basement.

Pond Talk: How do you store your filtration media in the winter?

Four Densities for Every Filtration Need - Matala® Filter Media Pads

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