Help with dosing - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 05-01-2008, 06:36 AM Thread Starter
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Post Help with dosing

I'd like to know how to dose with dry fertz. I have never done this and I'd like to try but I'm not sure if I have the right or rather I know that I have no idea of what I'll be doing . Right now I'm using Seachem Iron,excel,and potass ,things are growing fine but I find that its getting a expensive and I have seen the dry fertz are cheaper to use.... so the question is can someone tell me which to use. How much in amounts that are simple to put together and how often? I have read the info on many sites for dry chems but none give exact amounts and what to use forits for a 90gal tank with 4wpg,Co2, good filtration and 25% water change every two weeks. Can anyone help?... Thanks
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post #2 of 2 (permalink) Old 05-01-2008, 07:29 AM
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In general, you can use the following:

Potassium nitrate (KNO3) provides potassium and nitrates
Potassium dihydrogen phosphate (KH2PO4) provides potassium and phosphates
Potassium sulfate (K2SO4) provides potassium and sulfur (in the form of sulfates)
* Magnesium sulfate (MgSO4) provides magnesium and sulfur (in the form of sulfates)
* Calcium sulfate (CaSO4) to provide calcium and sulfur (in the form of sulfates)
Trace mix provides various trace elements (Iron, Copper, Molybdenum, etc) that are required

* I believe these two are lumped together and called "GH booster" (I think the GH booster also contains potassium sulfate)

There are several different regimes that are available today that can be followed in order to dose appropriately. As I did not write these articles, I will simply link to them here. For the EI method, you will likely have to step up to weekly water changes rather than every other week.

The estimative index (EI) method of dosing was created by Tom Barr and can be found here:
http://www.barrreport.com/estimative...test-kits.html

The PPS-Pro system was developed by Edward and can be found here:
http://www.aquaticplantcentral.com/f...e-pps-pro.html

Anthony


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