Knowledge Base

Black algae

Question: Small dime size black irregular spots on rocks in 12″ – 24″ section of pond. Is this an algae or fungus? Used Algaefix…no luck after 24 hours. Can scrape off with finger nail, which then produces a little “black smoke” like vapor in water. Thanks for your help. Answer: The stuff is most likely…

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PH levels

Question: I read that phosphates can cause high ph problems. They can come from plant fertilizer. I live around a lot of farm fields who use crop dusters. How can I get my ph down to a normal level? Answer: Using a Phosphate Remover would help bring your phosphates down. The problem with this situation…

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Stabilize PH balance

Question: I have tried gallons of PH decreaser and PH buffer / stabilizer to lower the ph in our pond. No luck. Ph is around 8.2 to 8.5 after treatments. The water going into the pond is around 7.3. I have also tried replacing 25% of the water every day for a week, also no…

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Pond algae

Question: I built a pond of approximately 130ft x 45ft x 6ft ave depth. I have stocked it with bream, perch and catfish. I am experiencing a massive growth of hair algae which I am afraid will decimate the fish population if not addressed. Please advise. Answer: Since your Fish Pond is so large I…

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Lower PH level

Question: my pond ph will not lower to recomended level, i have used quite a few bottles of ph down over the past summer and it is still super high. what are somethings that cause high ph and ph rebound Answer: Always measure pH first thing in the morning, since it will rise naturally throughout…

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Fall/Winter algae maintenance

Question: It just started to get cold here and I have started with string and bubble algae. How can I control this for the fall/winter? My pond is about 1000 gallons with a waterfall and biofall filter Answer: It is challenging to maintain the pond in areas where the weather gets cold, but there are…

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How often can you safely treat pond with AccuClear?

Question: How often can you safely treat pond with AccuClear? I’m having water clarity issues recently, and it’s making me nuts! I religiously add beneficial bacteria and I stay on top of algae. Answer: You can use Accu-Clear every 24 hours as long as you do not use more than needed per dose. When you…

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Rain water care

Question: After heavy rains, my koi pond has turned a reddish, brown color. How do I clear this up? Answer: I would suggest using some Activated Carbon to remove anything that is being washed into your pond. Activated Carbon is great for removing discoloring substances and toxins that may have gotten into your pond.

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Help fight bacteria

Question: I have an approximately 2000 gallon pond that has a 30 foot brook going into it. I have a Savio skimmer right now but know I need something else to help fight the bacteria. It has been recommended to me that I get a filter falls. Do you think that will be enough? My…

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Black sludge on gravel

Question: Hi, have a large pond(15000 gal) with a gravel type bio filter about 5ftx10ft x 2ft deep.My question is what is the black sludge that is in the gravel.Has been in operation 3 years and I flush the filter letting the water run into the grass.Is the black stuff bad or not,thanks,Richard Answer: The…

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