Some fertilizer questions for a professional - The Planted Tank Forum
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post #1 of 3 (permalink) Old 07-25-2005, 02:36 AM Thread Starter
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Some fertilizer questions for a professional

hay people... Im about to order a shipment of dry ferts from greg wattson.

I got a couple questions for a fertilizer professional.

1) how long does it take to shipp to canada, and does the prices listed on the greg watson site include shipping and handeling??

2) would you suggest buying the PMDD mix that contains all the micro and macro nutreince, or should I buy the individuial fertilizers by themselves? It would seem to me that it would be hard to controll the nutreince properly. If I buy the PMDD mix, I won't be able to controll individual nutreince.
(eg = if I only want to add more nitrate, I would have to add a bunch of other nutreince at the same time because the mixture comes with everything mixed in)

3) how do i fined out how much of each nutreint to add? by this I mean, how do I fined out how much of each fert to add in realation to water. (eg = if I want to add 2 ppm of phosphate how much Mono Phosphate would I add to bring the water up 2 ppm?)
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post #2 of 3 (permalink) Old 07-25-2005, 02:54 AM
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Give Greg an email, he is always willing to help out!!

The next one is tough to answer without the specs of your tank and your goals. Hi-tech tanks tend to require more juggling of will be thankful you have the individual ferts if this it what your tank goals are.

APC has a really good fert calc.

I know there is another calc around....but i forget the url. Perhaps someone can come around and let us know.

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post #3 of 3 (permalink) Old 07-25-2005, 04:04 AM
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Here is Chuck Gadd's calculator for Windows...

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