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#16
07-04-2009, 05:53 AM
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It really bothers me because I was not updating lights, I just replaced old to new light causing an outbreak in the cyno. And my snails (astrea and trochus) do not eat the cyno.
It must be the lights that causing this outbreak. Now I am testing nitrate and phosphate. My nitrate is .5ppm and phophate is almost zero (they have always been low even I introduced the new lived rocks). So people change the bulbs. How do they avoid this outbreak? Cut back the light time...? 
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