Most municipal water supplies don't use "chroline", but chloramine. (chlorine and ammonia)lek said:may be your tap water doesn't contain high level of chroline. you know that if you leave tap water for a day or leave it in direct sunlight, chroline will go away.
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It still doesn't make a damn bit of difference. I grew for a whole season, tap water vs. rain water only, side by side. Absolutely no difference. Each set of plants had the same strengths and weaknesses.
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I'm all for keeping things simple and natural, but what you're preaching is a cult of sensational ignorance. And honestly, from what I've seen so far, you don't grow healthier plants than mine. Not even close...