How about this idea....use distilled water and supplement cal mag
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A good idea if you have only a few plants but could become cumbersome if you're having to water mulitiple plants every few days.
Purple Daddy Reviewed by Purple Daddy on . WATER QUESTIONS? Hello, there is a theory that you should let tap water sit out for 24-48 hrs before using it, my question is if you let it sit out covered or sealed (I.E. old plastic milk containers with the cap on) is it doing any good, or does it need to sit uncovered? newbie thanks!;) Rating: 5