How to build a no water change tank part1: nitrates are not the only problem
11:30
How to build a no-water-change tank part2: get rid of nitrates by denitrification
18:11
How to build a no water change tank part3: ways to make anoxic zones for denitrification
10:54
How to build a no water change tank part 5: Plant growth is the key to filtration
20:42
Why I don't do water changes on my reef tank
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You Won't Believe What Scientists Discovered About This Ancient Civilization That Vanished
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Natural Tropical Fish Store Reveals Secrets to NO Water Changes
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The NEW B-52 Engines Are FINALLY Here & SHOCKS Everyone! Here's Why
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