Quote:
Originally Posted by achilles101
urchins eat coraline but they excrete it therefore causing it to spread, this also being true about scraping it off without sucking it out of the tank. I increased my light wattage and notice it doesn't grow as much. went from 4 @ 54w to 6 @ 54w and it doesn't grow as fast
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I don't care if the urchins spread it, as long as they can eat it faster than it spreads. Is this possible?