Steve
Guru
Here is my home made version of a "sweet tank aerator" a 12V bait aerator which bubbles through two airstones. It works fine, my tank has a screw in port on the top which made the installation fairly easy. it cost about 60 bucks for the components. The second photo shows the port cap, supply tube, and airstones which lie on the bottom of the tank. Picture taken against the fridge while they were still "virgin"
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