you could definitely just run the 1/4 hose going in and out and silicon right around that.
Then you could just put a inline valve on the output tube before it goes back into the tank. that way you could control the output flow back into the tank to a medium rate drip.
I just did the threaded valves cuz it looks cleaner and I had access to a tap and die set.
However, whatever works.
good suggestion though and anyone can do that with a drill..which most of us have.
it would also save you a couple of bucks for the valves..minus the one inline valve.
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Way too much time and money has gone into this hobby....and yet, I CAN'T STOP
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