EI maximum plant intake question - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 11-26-2013, 09:49 AM Thread Starter
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EI maximum plant intake question

Hi all,

Upon reading several times the EI dosing method, wich i will implement, i have a question regarding maximum plant intake,

Tom Barr says that the maximum daily intake of NO3, for example, is a X value,
But what i dont understand is if its the total plant mass amount per day, or is it per plant daily consumption?

Well, im most certain that its the overall plant mass daily consumption, but it isnt clear for me,

The main reason im asking this is to evaluate if i need to go to the low end of the dose, or the high end (15ppm of NO3 on a 45l tank, or going to a 30ppm on the tank) since im gonna add 6 type of plants.


cheers
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post #2 of 5 (permalink) Old 11-26-2013, 11:12 AM
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Just pick one and before you do your waterchange, do a no3 test. If it tests low, you need to dose more, if it tests really high dose less.


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post #3 of 5 (permalink) Old 11-26-2013, 12:43 PM
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It varies with the light (high light = higher consumption)
CO2 (High CO2 = higher consumption)
plant species (Faster growing = higher consumption)
other nutrients (in good supply, good ratios = higher consumption)

I follow the idea suggested by xmas one: Just start dosing. Test as you go, and adjust each nutrient until it suits your tanks and your maintenance style.
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post #4 of 5 (permalink) Old 11-26-2013, 01:42 PM Thread Starter
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yes i know it varies with a lot of stuff, i just wanted to be sure that Tom Barr was refering to the overall plant mass,
but that works too
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post #5 of 5 (permalink) Old 11-27-2013, 01:26 AM
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Probably based on the whole tank. After all, not many people isolate each plant in its own tank. By having assorted species you are averaging out some of the variables such as fast growing or slow growing plants.
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