Ferts, where to get them and which ones to use... - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 11-24-2003, 10:28 PM Thread Starter
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Hey all,

I'm looking for liquid ferts, Potassium, Nitrogen, and Phosphorus to be exact. As it so happens, none of the LFS in my area carry any of them. They only carry Excel Fluorish Supplement.

So anyhoo, I was wondering if there's a way to DIY the ferts. Where would one get the ingredients needed for these ferts?
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post #2 of 10 (permalink) Old 11-24-2003, 10:33 PM
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Read thishttp://www.plantedtank.net/forum/viewtopic.php?t=1188
Towards the end there's a few links for sources.

Marcel

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75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
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post #3 of 10 (permalink) Old 11-24-2003, 10:35 PM Thread Starter
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Many thanks
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post #4 of 10 (permalink) Old 11-24-2003, 10:55 PM Thread Starter
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OK, now does anyone have any suggestions for test kits? I know LaMotte is pretty much the top-of-the line, but they don't seem to have test kits for Potassium or Phosphorus. Is there any brand out there that will test for CO2, K, P, and NO3?
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post #5 of 10 (permalink) Old 11-25-2003, 01:57 AM
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CO2 can be checked if you know your kH and pH. I use Red Sea nitrate and phosphate test kits. There are no good test kits for potassium. A good source of nutrients is http://www.gregwatson.com/products.asp He is a APD member and has all the bulk stuff you need and Plantex CSM for traces.
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post #6 of 10 (permalink) Old 11-25-2003, 02:05 AM
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Rex, thats a great link for everything needed to add fertilizers to the tank. I will be adding that link to the "Fertilizer FAQ".

Thanks

FILSTAR Pimp #2

75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
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post #7 of 10 (permalink) Old 11-25-2003, 03:02 AM
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anyone order their nutrients from plantgeeks?
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post #8 of 10 (permalink) Old 11-25-2003, 09:30 PM Thread Starter
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Thanks all. How do you guys usually does Potassium then, i.e. 1ml/10 gallons?
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post #9 of 10 (permalink) Old 11-25-2003, 10:47 PM
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The suggest levels of potassium in the planted tank is 10-20 ppm. If you are looking at your bottle of Seachem potassium then that's 10-20 ml per 10 gallons. That's why many of us use a bulk chemical. And normally we dose it dry into the tank as it's hard to make a strong stock solution with K2SO4.
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post #10 of 10 (permalink) Old 11-25-2003, 10:57 PM Thread Starter
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I see, thanks for the help Rex.
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