I had one no problems.. I accidently sentenced him to death (powerhead intake) It didn't do anything to my tank.
It DID clean my tank like there's no tomorrow.... reef was spotless.
They are bulldozers, but just super glue your frags down... problem solved.
Scott
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20g BB Mixed Reef // Coralife 150w HQI // AquaC Nano // Koralia 1 & Seio 820 // Jager 200w // AC50
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