Me again. If my phosphates are anywhere between 0.4 and 0.7, does that mean that I don't have to dose Flourish Phosphorous? I ask because it seems that some older leaves are slightly starting to curl and a dying leaf has completely curled up and turned a very dark green. Overall my plants are still doing great but I think I'm starting to see an older issue come back. Having killed all my shrimp and a bunch of snails by an accidental overdose of one of the nutrients, I'm dosing on the light side as it stands and completely skipping Phosphorous since phosphates are, theoretically, at good levels.
I am also switching as of today from 11 hours of lighting to about 8 because I'm continuing to see a slight algae problem. That should still be OK since I have low-light plants and the light is 8-watts, on a 10 gallon tank.
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