FLESHY;4472278; said:Flow will help...but in the end cyano is, and always will be a water quality issue.
also when bulbs get old some how that causes cyano. im not sure how but my fan burnt out and i think that may of affected my bulb. thats why i got a new bulb. i already re-placed the fan.
so far without the bulbs or the knanos the cyano is about gone. looking alot better already