How Much Gravel Is Good For My Aquarium?
How Much Gravel For 3 Gallon Fish Tank? For each gallon aquarium, 1 pound of gravel is considered ideal. If you have a 3-gallon aquarium tank, then you have to put an average ± 3 pounds of gravel substrate. How Much Gravel For 5 Gallon Aquarium Tank? For a 5-gallon aquarium tank, you can put five pounds of gravel.
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