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#1
03-10-2016, 10:03 PM
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Don't fight it, just hit it with chemiclean, four or five big water changes and consider replacing your substrate.
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This and that. 
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#2
03-10-2016, 11:04 PM
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I have read, and been told, that if you use chemiclean too often, the cyano will actually become resistant to it. I want to avoid that if possible LOL.
Removing and replacing the substrate doesn't sound fun to me. Is this something that could actually work Albert?
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93 gal Cube tank, Sps and Lps Mixed reef
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#4
03-11-2016, 08:04 PM
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I've never bothered with chemiclean. It sounds like a product that treats the symptom but not the problem which allows the symptom to persist. Like treating a cough and runny nose rather than the underlying cold. Less sand/no sand, coarse sand, more flow, a more powerful skimmer, no mechanical filtration (like filter pads which just hold rather than remove waste) fresh bulbs, reduced photoperiod, feeding less, having less fish, larger or more frequent water changes, the occasional stirring of the sand etc have served me well.
For example, a friends tank was looking really bad, it had thick patches of green slime all over the sand bed. We determined that the system had several problems: overheating, poor water flow within, insufficient water flow to the sump, a wet/dry trickle filter and old dim PC lighting. Active cooling was ducted in above, a few new impeller powerheads were added to the display, we upgraded the return pump to something larger, gutted the wet/dry filter, stepped up water changes for a few months and ditched the PC fixture for a new MH pendant (the system has since been converted to LED). These days the sand bed looks pristine and the system's overall health has improved immensely.
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour
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#5
03-11-2016, 08:20 PM
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Quote:
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#6
03-12-2016, 05:29 AM
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cyano
How much direct/indirect sunlight does your tank get. Some people will say this doesn't effect it but it does. I've done both saltwater and freshwater and I found the more direct/indirect sunlight you have the more algae you would grow. What type of sand do you have and where did it comes from. Some type of sand will contain
Phosphates and silica so it could be the problem.
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