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The bulbs are about 8 months old, I do 20% water changes every month. As for PH, I don't know what to do to raise it without affecting alkalinity. I...
I run 175 watt metal halide 14k bulbs 10 hours a day, my phosphate wont go less than .5 even though I constantly run a phosban, my ph is 7.9, cant...
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