Cobalt Aquatics Total Softener Aquarium Resin, 65-oz tub
$28.91 (-29%) Chewy Price
$40.97 List Price
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1 Customer Questions
How many ounces to add to 20 gallon fresh water aquarium?
Answer by • Nov 07, 2024
For a 20-gallon freshwater aquarium, it is recommended to add 1 ounce of Cobalt Aquatics Total Softener Aquarium Resin for every 2 gallons of water. So for a 20-gallon tank, you would use 10 ounces of the resin.