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post #1 of (permalink) Old 12-19-2012, 11:48 PM Thread Starter
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Join Date: Jan 2011
Location: Washington, DC
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Questions about EI Dosing, nitrates, fish health

Hello All,

I have been using PPS - Pro on my tank and overall things are working beautifully - I would like to try EI. There are few contradictions that I understand about using EI - Nitrate reduction for the health of fish vs adding nitrate for the health of the plants. I would like to learn more because I think I may not understand how this fully works.
  1. Adding Nitrates - I know, ideally, fish poop fertilizes the plants but we add nitrates to our water to suppliment the fish poop. When a fish gets sick, I've been told to reduce nitrates because it's a stressor on the fish that can cause illness in the first place. My nitrates after a 50% water change are ~30 after I add a dose via PPS. What I've read on EI, the nitrates are higher than 30 by week's end. I know we do a 50% water to reduce it but going it's still generally high. Anyone give me some insight on how this is okay? Is it because one is caused by waste and the other by direct addition of refined KNO3 type nitrate?
  2. EI making plants red - I've read that plants that display red do it in high light, lots of iron, and 0 nitrates - I have the light and I dose iron every day with little red - How do you guys get your reds to pop?
  3. EI and your Vacation plants - When you go on vacation, what do you do? I can't expect the person who feeds my fish to get the dosing right - partially for fear of messing it up and killing the fish, lol

Last edited by sundragon; 12-20-2012 at 05:46 PM. Reason: Corrected grammar
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