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Old 12-10-2007, 07:45 AM   #15 (permalink)
david7700
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Yes, you are correct. About 1 lb/g will give you adequate natural filtration. With added fish and heavy bio-load, some may suggest a protein skimmer--but for a small tank <20g that's probably not necessary. I got a great deal on my light from a company called "inside sun". They sell MH systems if your interested in BRIGHT () light.
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