Forum: Estimative Index

Hi, I'm starting EI since 2 weeks with a great succes. My concern is water. I moved recently home. I had a water of GH 10 / KH 6. In my new city,...

I have a dosing pump and would like to use it for EI dosing. Can i make an all in one stock solution for the week with macros, micros, and Gh booster...

hi all...i would try EI...but i have question about the KNO3.. i go to local fertilizer shop..then i ask about KNO3 fertilizer..then they gave it to...

Hello, I have finally decided to start EI dosing for my 60L (16G) aquarium, but I would like that you guys check my dosing routine (if my...

Hello, For the last 2 weeks I am dosing (EI) 7 days/week. No rest day and I can see improvements in my plant growth and color. I do 75%...

I was planning on using this chart. http://www.barrreport.com/showthread.php/2819-EI-light-for-those-less-techy-folks I got my ferts from...

http://wetlands.ifas.ufl.edu/teaching/Biogeo-PDF-files/Lecture-5-Electrochemical%20properties%20%5BCompatibility%20Mode%5D.pdf Read it. It is...

I was wondering about the EI method - dose - dose - dose - water change out the surplus. Even with the water changes don't things still build up? ...

Hello All, I was wondering what the drawbacks would be on dosing NPK only on water change day. I dry dose EI currently but would like to dose...

What to do with EI on vacation? I have auto dosing and how much i have to dose if ill skip one WC?

I just built a 90G tank with pressurized CO2. I have four 54W tubes. Two light up for 8 hours and the other two light up for a burst of 4hours. I...

Hello, i have a 50 liter tank full planted, i want to try to use the Estimative Index method but i’ m afraid that those liters are disappointingly,...

I paid and got your Guide for Dosing. I have a few small questions after reading it. The first is about the Estimative Index Strategy. It talks about...

In what ratio is Excel used as a substitute for HCl? I've seen Excel has a limited shelf life, so how much is needed to be used in 1 L of liquid...

I have a huge problem, my tank is 67 liters and started fertilization using EI method recently. My formula is as follows, calculated at...

I don't have test kit for iron, I have Ferrous Gluconate (powder). How much should i be dosing on 55 gallon planted tank with 130 watts light, and i...

Hi guys! Its been a while since I have posted here - I haven't had algae problems since I started dosing EI! Well, I got a new tank and new...

Hi, I am contemplating migrating to EI Dosing in the near future. However before I start to think about switching I have two basic questions. ...

Is it possible that too much Fe, Ca, Mg or other trace element poison plant? In other word too much micro nutrient will poison/kill plant? My...

A few days ago I printed these instructions out, but I do not remember from which site. Anyway, what I would like to ask you guys is this: are these...