A few weeks ago, my maxima clam became very unhappy. About this same time, I started getting a lot of that slimy maroon algae growth over my LR (is that cyano?). Tested the water and it wasn't good: Nitrate is 40 ppm, Nitrite is .15ppm, Ammonia is 35ppm, PH is 8.6, temp is 78, CA is 400, Mg is...