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How can I reduce algae growth in my pond? | Pond & Lakes Q&A

How can I reduce algae growth in my pond?

How can I reduce algae growth in my pond?
Ryan – Dallas, TX

As we progress through spring and into summer, it is important that you know how to treat algae growth should you experience an algae bloom. Persistent algae blooms will still flex their muscles even if you maintain a clean pond. There are really two approaches, a reactive approach-treating growth, and a proactive approach-treating the source.

Reactive Approach-Treating the Growth
You can provide a temporary relief from algae by treating these algae break-outs with an algaecide like Algae Defense® or Cutrine®-Plus Granular . It is best to treat the algae first, making contact between the chemical and the target algae as much as possible and then raking out the debris once dead. If the algae mat is more then an inch or two thick, you may want to rake out some of the algae before treating. To apply use a Pond Sprayer or Hand Spreader to kill off the remaining algae particulate. Once the treated algae dies and browns out, remove the debris with an Pond & Beach Rake so it does not sink the bottom of the pond and decay, encouraging new growth.

When selecting the type algaecide to use you will want to observe any use restrictions the product may carry. Algae Defense® and Cutrine®-Plus granular are a popular choice as they do not carry any water use restrictions. . These products do however contain chelated copper which will not harm the pond or most common gamefish but are not as friendly to trout if carbonate hardness is less than 50ppm. You can test your carbonate hardness before treatment with a carbonate hardness test kit. If Koi, Goldfish or Trout inhabit your pond and you are looking for another option you may want to consider using Clipper™. This product does carry some water use restrictions however it does not contain copper.

Proactive Approach-Treating the Source
Proactively treating your pond before you actually experience algae blooms can save you time and money in the long run. Algae blooms tend to be a symptom of a much larger problem – a dirty pond. By using only algaecides for pond maintenance you allow your pond to continue to accumulate organic debris and fuel for bigger and more stubborn outbreaks.
If your water temperatures are already around 50 degrees or above you can enlist the help of beneficial bacteria and natural water treatments to reduce organic debris and bind phosphates. Pond Logic® PondClear™ can be used to treat your entire water column and attack floating suspended organics that cause turbid water. Pond Logic® MuckAway™ sinks to the bottom of your pond to eliminate pond muck. Pond Logic® EcoBoost™ naturally binds the phosphates helps sink floating particulates to increase water clarity. EcoBoost™ also introduces trace minerals into your pond which improves the health of your game fish. Remember to also run your Airmax® Aeration System . Aerating your pond will ensure a healthy and well balanced pond for your fish during times of added stress while treating for algae, as well as to promote beneficial bacteria like PondClear™ to continue to breakdown any debris you may have missed while raking.

Pond Talk: Have you already experienced an algae bloom in your pond this season?

Pond Logic® Algae Defense®

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