Any low nitrogen root tabs? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 11-21-2016, 03:18 AM Thread Starter
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Any low nitrogen root tabs?

Was wondering if there are any root tab type things w/ low Nitrogen but adequate P and K..
Osmocote is fairly high as are seachem products. API are overall low.

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post #2 of 4 (permalink) Old 11-21-2016, 06:28 AM
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What is high Nitrogen level's for heavily planted tank under say four T5 bulb's resting on the tank ?
What is high nitrate level's for fish only tank moderately stocked,and fishes fed twice a day?
Might be tempted to run 40 to 80 ppm nitrates in plant only tank ,maybe not so much with fishes being fed and waste contributing to Nitrate's if one wishes.
Easier to dose macro's/micro's separately than using root tab's designed for terrestrial plant's.(not aquarium's) if one does not need anymore N.
Guess you could make some dirt root tab's containing only P and K, some dirt,a bit of water to make mud, and then freeze em.
Folk's been using the osmocote and seachem root tab's for a while now NO?
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post #3 of 4 (permalink) Old 11-21-2016, 01:11 PM Thread Starter
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Quote:
Originally Posted by roadmaster View Post
What is high Nitrogen level's for heavily planted tank under say four T5 bulb's resting on the tank ?
What is high nitrate level's for fish only tank moderately stocked,and fishes fed twice a day?
Might be tempted to run 40 to 80 ppm nitrates in plant only tank ,maybe not so much with fishes being fed and waste contributing to Nitrate's if one wishes.
Easier to dose macro's/micro's separately than using root tab's designed for terrestrial plant's.(not aquarium's) if one does not need anymore N.
Guess you could make some dirt root tab's containing only P and K, some dirt,a bit of water to make mud, and then freeze em.

You can get all sorts of ratios of NPK in "fast" fertilizers.
In slow release not so much, at least as I can tell so far..
Just seeing if I missed something. No sense re-inventing the wheel..

Quote:
Folk's been using the osmocote and seachem root tab's for a while now NO?
Seems they have little choice..



Anyways just an early thought..Lots of side hooks..
https://www.researchgate.net/post/Th...superphosphate
Anyways some interesting stuff out there..

CalPhos, soft rock phosphate granular 50 pound bag Calphos? natural, untreadted soft rock phosphate and colloidial clay, 50 pound bag [] - $15.20 : customhydronutrients.com, Water Wise and Organic Gardening Supplies

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post #4 of 4 (permalink) Old 11-21-2016, 01:29 PM
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Seems to me, that slow release fertz designed to feed a plant's for week's or month's in terrestrial application's would need fair amount's of NPK to do so.
In my experience, they do not last near that long submerged in water.
Maybe three or four month's buried in substrate in tank full of water and moderate plant mass drawing from them.
If wanting to omit Nitrogen due to that maybe in tap water and or combined with fish waste, fish food's,then dry dosing separately is way to achieve the desired result.
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