Horticulture ferts safe for aquatic use? - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 02-24-2010, 01:44 AM Thread Starter
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Horticulture ferts safe for aquatic use?

My friend who is in the horticulture business gave me a pack of Nutricote - Controlled Release Fertilizer. Though I can see very good results in his orchids and ornamentals, I'm curious if it is safe for aquatic use?

I searched somehow with regards the subject, found a post in the Krib but with a limited answer (doesn't satisfy me).

I wonder if anyone of you use this kind (or somehow the same) fert in your planted tank?

Thanks in advance.

p.s. got 2 tanks to test this on if this is "aquatic safe"; soil based and gravel based substrate tanks.
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post #2 of 6 (permalink) Old 02-24-2010, 02:53 AM
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Terrestrial plant fertilizers are, in general, not suitable for aquarium use. This is because the balance between nitrogen and phosphorus is usually incorrect.

You are better off using bulk chemicals such as potassium nitrate to supply the various nutrients that plants require.

Anthony


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post #3 of 6 (permalink) Old 02-24-2010, 03:06 AM
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Nutricote is a great fertilizer, but you will have to experiment with the dosage. They are perforated plastic pellets with fertilizer inside. The holes are designed to reslease over a period of months in a horticulture situation. I am not sure how quickly they will release, all I know is that it is temperature dependant above water.

The only thing to consider is that you will be limited in you fertilizer because there are only a few mixes, and it may not match what you tank needs.
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post #4 of 6 (permalink) Old 02-24-2010, 07:56 PM
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they almost always use amonia for the nitrogen, not so good for any animals in the tank, oh and algae loves it too!
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post #5 of 6 (permalink) Old 02-24-2010, 09:01 PM
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It sounds like a similar product called Osmocote which has been used before as a substrate fertilizer but not as a water column fertilizer.


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post #6 of 6 (permalink) Old 02-27-2010, 12:29 AM
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I tell you what I have always wanted to experiment with,but have yet too do it is IRONITE...anyone tried it yet??

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Originally Posted by macclellan
The Advanced ballast is slightly more advanced than the Workhorse ballast, although not quite as much of a workhorse...
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