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Phosphate reduction, and plant growth?
I started using rowaphos a while back to try to control the algae in
my aquarium. the tap water were I live is 2.5ppm and I have read that even levels of 0.5ppm can cause problems. so when I first tried using rowaphos I put a bag filled with it in my filter and left it there, and it reduced the phosphate level to 0 within day or two. it did have an effect on the blue green algae that was in my aquarium at the time as it started to grow much more slowly than it had been. but all my plants seemed to stop growing as well. after that I stopped using the rowaphos and my aquariums phosphate level started to rise to 2.5ppm with each water change. so couple of months back I started adding it to the filter for 24hrs after each water change and have kept the level at between 0.25ppm and 0.5PPM. since then my plants have all kept growing, but I'm not shore if it is having any real effect on the algae growth. its also annoying to have to keep dismantling my filter to place the rowaphos in it, and also again when I remove it. I have thought about just leaving it in the filter so that it zeros the phosphate again and definitely slows the algae growth, In case the plants stopped growing for some other reason. but the plants needed to be pruned heavily to get them growing again last time and also took and long time to start growing quickly again. so what I would like to no is, does lowering the phosphate to zero stop plant growth. and if it does will plant food that does not contain phosphate correct the problem. cheers, Scott |
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