The Planted Tank Forum - View Single Post - Hard water confusion
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Old 02-10-2013, 07:21 PM   #2
stlouisan
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I had to think about is for a sec, because it seems like hard water and soft water with ferts should be similar. Only thing I can think of are the carbonates are tied to the minerals in hard water that makes it different, and that buffers a bit of the chemistry in water, which changes how the ferts are readily available to the plants?
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