I just got 2 new 33g buckets and instaled one of those auto turn off things on my fw containers. Probably the best purchase I have ever made.
I have too often forgot to turn off the ro/di unit and have come home from work and found 10g or so of water on the tank floor. Good thing the room is sealed and would hold a couple hundred gallons on the floor.

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No matter what the morrow brings, inventors keep inventing things.
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Jonathan
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www.cakerybakery.ca