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![]() I will vouch for these as I used them for 5+ years. They are very efficient, the next gen of bio filtration. I would put 25 boxes of Bali fish into my system and not even see an ammonia or nitrite spike.
Cheers, Tim
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www.oceanfreshaquarium.com/foz-down.html - Foz Down - an easy way to eliminate algae outbreaks caused by Phosphate and bring back the fun of reef keeping. |