BEWARE Of Anaerobic Conditions! | I recommend 1” of DIRT over 1” of GRAVEL! Beware of ANAEROBIC CONDITIONS! What do ya think? TANK ON! . . . . # anaerobic #oxygen #dirt #substrate... | By Dustin's Fishtanks | Facebook
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8.9.2. A Feasible Reactor for doing Anoxic Aquarium Filtration
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Anaerobic Or Aerobic Filtration ? | My Aquarium Club
8.9.2. A Feasible Reactor for doing Anoxic Aquarium Filtration