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DIY top off water

2K views 7 replies 3 participants last post by  trreherd 
#1 ·
My plan is to take normal tap water, put it in a bottle. Put a bottle on top of that bottle and heat it up. Then i would use the evaporated water as a top-of for my tank, is this possible?
 
#2 ·
lol that would be extremely slow. Y dont you just buy distilled water?
But if you want directions on how to build a reel still I can give you directions,(iv done it before) but y not just buy a ro filter? My local grecery store has a ro vending machine-39 cents a gallon.
 
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