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#4
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![]() I have been battling this reoccuring brown string algae for over 3 months now. I have syphoned the sand bed and blown off the rocks numerous times only for it to return within days. 10 days ago I syphoned out the sand bed and took pictures April 26 and tonight. Stuff is on rocks and glass as well.
Other characteristics: - Snails become lethargic, are constantly falling off the rocks and eventually slowly die - little air bubbles sometimes develop - no nitrates or phosphates according to salifert test kits - alk 9 dKH, cal 420ppm and mg 1400 ppm - tank is 13 months old - 3 days of complete darkness did very little. Or is this just really bad diatoms? Any ideas? |