10-16-2012, 11:50 AM
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Originally Posted by otter
I think you are correct, it is brush/beard algae.
Um I have a 15 watt bulb on a 55 gallon tank and most of my high lighting plants are dying and also very affected.
my ph is really high, around 9 or even 10. I cant tell because my testing strips only go to 9.
Everything else is perfect.
The KH is 240 though, and the GH is 0.
I see it worst on my anubias and java fern.
I use plant food every few weeks when I remember.
Its just called "plant food" I got it at petsmart. heh.
I need more detail please. On the light, can you be more specific: fluorescent tube (presumably), and what length; what type is it (name, Kelvin, etc)? The tank is a standard 4-foot long 55g, correct? Knowing this may help me to suggest something re the plants.
Algae (and brush/beard is the most common problem, which is why I suspected it) as I mentioned is due to light and nutrients being out of balance so the plants cannot use either, in this case anyway. Fertilizers have to be regular, as plants need food (nutrients) regularly just as we do. But here we come to what is in this particular fertilizer. What brand is it--Topfin (a Petsmart brand)? Does it list the nutrients?