Quick question about EI - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 02-11-2017, 04:11 PM Thread Starter
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Quick question about EI

So I've been dosing EI for quite a while now with not much success. I always do my weekly water change but don't always do 50%. How important is it to do 50%, or can I get away with say 25%?
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post #2 of 2 (permalink) Old 02-11-2017, 04:53 PM
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Yes and no. Have a read here Hate water changes? EI can get you there with a small modification - Aquarium Plants - Barr Report

I consider the 50% good to also reduce organic load, and do trimming of the plants. Franky I often go like 60-70%. From a NPK point of view alone, you can get away with 25%.

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