Going back about 7 months ago, i had bleached all of my rock (120lb) b/c of too much hair algee. i put in about 50lb 5 months ago. starting to see algee growing again. I have 2x250 MH bulbs on timer for 6 hours a day. they are about 8 months old.
ph 7.9
a 0
ni 0
na 0
sl 1.031
a week ago i put...