Fertilizers: Liquid vs. Dry - The Planted Tank Forum
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post #1 of 4 (permalink) Old 01-22-2005, 07:46 AM Thread Starter
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Fertilizers: Liquid vs. Dry

Are the liquid ferts as good as they dry ones. I know most people seem to choose dry. Is that because you can buy it in bulk, or because it is better in quality. I was going to buy Seachem Potasium and Phosphorus liquid ferts.
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post #2 of 4 (permalink) Old 01-22-2005, 12:37 PM
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Most of us buy them dry because we can't see the reasoning behind paying good money for very expensive water.

The potassium by Seachem is a very good example. You would need 50 ml to raise the potassium in 30 gallons of water to 20 ppm. Dry K2SO4 is much less expensive and much easier IMHO to dose. The same can be said for the phosphate. But normally we make a stock solution from the dry compound to dose phosphates.
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post #3 of 4 (permalink) Old 01-22-2005, 04:41 PM
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But, one advantage to buying a premixed bottle the first time....you then have have a nice size bottle with a commercial grade label for when you mix your own batch!
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post #4 of 4 (permalink) Old 01-22-2005, 11:31 PM
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The dark bottles are good in that they reduce oxidation, but bulks is the way to go if you're dosing macros. Except maybe for Fleet Enema, which is easier to dose than other forms of P.
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