Where to buy potassium nitrate and how pure should it be? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 12-22-2016, 05:57 PM Thread Starter
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Where to buy potassium nitrate and how pure should it be?

I wanted to buy really pure potassium nitrate but found that online chemical stores don't sell to individuals, only to schools and labs.
Do I need it to be very pure? Or can I just buy the "stump remover" at Home Depot?
I don't want to harm my fishes and shrimps.
Where do you guys buy your fertilizer?
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post #2 of 5 (permalink) Old 12-23-2016, 01:04 AM
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Stump remover, which should be industrial grade KNO3, should be fine for our use.

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post #3 of 5 (permalink) Old 12-23-2016, 01:08 AM
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post #4 of 5 (permalink) Old 12-23-2016, 09:20 PM
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I found a five pound bag of it on Amazon, actually. I think it was $12-$15.
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post #5 of 5 (permalink) Old 12-24-2016, 07:27 PM
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Quote:
Originally Posted by rkatsyv View Post
I wanted to buy really pure potassium nitrate but found that online chemical stores don't sell to individuals, only to schools and labs.
Do I need it to be very pure? Or can I just buy the "stump remover" at Home Depot?
I don't want to harm my fishes and shrimps.
Where do you guys buy your fertilizer?


People on here or greenleafaquariums.com and you can get 1lb kno3, 1lb kh2po4, 1lb k2so4, 1lb mgso4, and 1 lb plantex csm+b for $25 plus shipping. Way better bang for your buck considering most will use all the rest as well. Buy the ei or pps package.


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