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No, I don't need a heater, that would be an easy fix. I need something to hold temps down to 66-70. I soil grow now and the water I store stays at room temp. (78) which is too high for hydro, or so I have read.
I'll have to agree copper will oxidize in water. Now, is that detrimental to plants and will it effect water flushed every 10 days or so...? Probably, but this is just a complete guess
I was thinking I could get some of that 'paint on' rubber and coat the tubing--which would cut down its' ability to cool--and keep the copper from oxidizing.
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The whole religious complexion of the modern world is due to the absence from Jerusalem of a lunatic asylum.
The world is my country, all man-kind are my brethren, and to do good is my religion.
--Tom Paine
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