The Planted Tank Forum - View Single Post - When you want to minimize water changes without killing plants or fish...
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post #8 of (permalink) Old 02-18-2016, 11:05 PM
Wannabe Guru
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To make this achievable you need to decide between CO2 enriched fully planted aquarium or a breading biotope. These are two different models.

I think you are more interested in the breeding biotope style, with dark peat water, almost no KH and no CO2. Plants donít grow fast in such conditions so there is no need for fertilizers.

At most what you could do is to add little K2SO4 for K when you do water changes. And, if you use only RO you need little CaSO4 for Ca. The peat supplies N, P and traces.

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