Quote:
Originally Posted by rsisvixen
I would take a stab at the bright green being a form of cynobacteria ( cyno can come in a variety of colours not just red. ) Its not an algae per se but a bacteria that also requires photosynthesis to survive. Usually its a high nutrient indicator, nitrates and phosphates.
The other stuff sounds more like diatoms usually an indicator of high silicates and pretty normal for a tank still cycling.
Most systems take a while to reach equilibrium even if they've cycled.
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Thanks, but what about the crusty sandbed bit? thats the part that worries me the most. well that and the loss of all of these zoas with them all being pinchy faced...