Losing the water is a hassle but having the ability to make up a lot of H2O in a hurry is also insurance in itself. I had approx 120 gallons empty onto the floor one time which is another reason why I like having a 300 gal per day RO unit. I had the water I needed to top up the tank in a matter of a few hours. I also recommend maintaining a large reservoir of fresh RO water.
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Greg
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