Quote:
Originally Posted by EnderG60
So I have an over the back closed loop on my tank with a pump located about 30 feet away in the basement. Its been going for about 9 years now and has apparently grown a ton of sponge inside the piping. Every time the pump comes on bits of sponge shoot out and its driving me nuts.
So I can obviously turn off the pump and drain the loop, but whats the best way to dissolve all the sponge and still be able to clear it out and be safe to turn back on once done?
I was thinking vinegar, but Im not sure of what concentration to use since the loop is about 10 gallons of piping.
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If it were me, I would rig up a way to recirculate either acid or caustic. Run some tubing from your intake and return into a bucket. If you have things like vermetid snails in your tank with carbonate based structures that could be lining your plumbing, run muriatic acid. Sodium hydroxide should work pretty well for soft tissue/algae. I'd run both, starting with the acid.
This depends a lot on how your closed loop intake/return is plumbed. You could add some valves and tees to be able to do this depending on access.
And wear goggles/gloves...