Forum: Estimative Index

Hi, Please help me starting without trouble my first nano I'm about starting a nano 11 gal tank (17.7x11.8x12.5 in) that is a 43L (45x30x32cm)....

Hi folks! This is my first week dosing with EI and CO2 so I'm taking it slow to avoid any mishaps. Well tomorrow is PWC day and I was needing to...

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,...

Hi all, I was wondering if anyone could tell me what the approximate PPM added to the tank for N,P,K for each dose (3x a week)? I'm wanting to mix...

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...

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...

Using a Drop Checker/CO2 Indicator Why do so? Look back thru the posts here and on other forums and you see many cases where people report having...

In my tap water I have a nitrate level of 40ppm. Does that mean I should skip KNO3 in my dosing regime?

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? ...

I'm still looking into a whole house water filter to deal with my chloramine laden tap water. If I can deal with this, I'm probably going to install...

I just read all the EI "sticky's" and confused myself. I have a low light 2wpg (getting PAR next week will know more) on my 45g. I want to use EI...

My EI powder clumps when I put it in wkly pill boxes, Is this ok? It seems to dissolve more slow when clumped when pour right into the tank.

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 all, Since nutrients excess cannot induce algae, why does Tom Bar not suggest to simply dose the weekly dose of EI after the 50% water...

Hi there, I have recently decided to try EI for my 10 gal tank but having problem dissolving macros solution - according to Tom's recipe I mixed...

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...