Question on initial dosing of dry ferts using EI - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 05-03-2008, 02:22 AM Thread Starter
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Question Question on initial dosing of dry ferts using EI

I'm adding plants to my new 75 gallon tank, should finish up tomorrow. Running 4 wpg, pressurized CO2, and I want to use EI. I bought the drt ferts from Rex Grigg, so I'm set there. I understand the normal dosing routine I should have. My question is in the initial dosing. Should I begin just using the normal amounts, or should a larger amount of ferts be used the first day or two to get the levels up to where they should be?
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post #2 of 4 (permalink) Old 05-03-2008, 02:30 AM
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You can add enough to get you to your desired levels. You'll start to get a feel for what your plants use over time. This will help you figure out how much you need to add to keep your plants healthy. It's important to remember that with a tank with that much lighting, it's probably more likely that co2 could become a problem more easily than ferts. Make sure you get your co2 levels in check as quickly as possible. It's a common myth that excess nutrients are the cause for algae. Most often, co2 is the culprit, IME. I have run high levels of ferts, and as long as co2 is adequate, algae is not a problem

Mike


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post #3 of 4 (permalink) Old 05-03-2008, 02:59 AM Thread Starter
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Thanks for the reply. I've got my pressurized CO2 running, got the drop checker to a light green, still raising the level. I'm thinking maybe double the ferts for the first few days or first week, but I have no idea if that makes any sense or not.
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post #4 of 4 (permalink) Old 05-03-2008, 03:02 AM
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I don't think you'd need to double them. Use Chuck's calculator to figure out exactly how much you'll need to add to get your desired level. It's a simple and handy tool
http://www.csd.net/~cgadd/aqua/art_plant_aquacalc.htm

Mike


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