could I get some conversion/chemistry help? - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 02-07-2010, 08:01 PM Thread Starter
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could I get some conversion/chemistry help?

I have been dosing EI with Seachem liquid ferts and Excel. I just purchased some N,P,K, CSM+B, Fe ad GH Booster dry ferts from GLA. I would like to continue using my Seachem bottles and dosage amounts--could someone assist me in geting those dry ferts made into solutions that I can dose using the Seachem bottles/lids?

Im sure it is fairly simple to do--Im just not comprehending all of the conversions at the moment.

I currently had a 250mL bottle for Seachem trace, potassium,phosphorus,nitrogen,iron and 500mL bottles for Flourish and Excel.
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post #2 of 3 (permalink) Old 02-07-2010, 08:07 PM
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I can give you a hand. I put the following together a while back.

From: http://www.aquaticplantcentral.com/f...tml#post336492
Quote:
Originally Posted by Left C View Post
Using Ė Mixing Dry Chemicals for Seachemís Dosing

Seachemís products are a little expensive, but they are very good. I know some people would like to cut the cost some and use some of the dry fertilizers that are available.

The following dosing solutions will be practically the same strength as Seachem's macronutrient products according to the online calculators. You then go by Seachem's recommended dosing amounts on the calculator.

Dosing Solutions
- Add 62.2 grams of KNO3 to 500 mL of distilled water for F. Nitrogen Substitute
- Add 3.5 grams of KH2PO4 to 500 mL of distilled water for F. Phosphorus Substitute
- Add 51.0 grams of K2SO4 to 500 mL of distilled water for F. Potassium Substitute*

*(This amount approaches the maximum solubility of K2SO4 of 12 grams per 100 mL of distilled water. You will probably need to shake the container each time prior to dosing.)

Online Calculators Used:
http://www.fishfriend.com/fertfriend.html
http://www.csd.net/~cgadd/aqua/art_p...osage_calc.htm
http://www.aquaticplantcentral.com/f...fertilator.php

IMO, you may omit F. Trace even though it is included in the calculator.

I do not have a substitute for Flourish, F. Excel and F. Iron at this time.


I hope this helps you. Let me know if it works well.

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post #3 of 3 (permalink) Old 02-08-2010, 05:52 PM Thread Starter
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Thanks for the reply Left C.
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