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Discussion Starter #1
As above I found some tabs for houseplants and I was wondering if they would be any good to use as an experiment in a planted tank.

I looked through the ingredient list whilst in the shop and the only thing I could remember by reading the guides is that ammonia was a big no, only to remember on the ride home other things to watch out for.

Anyway , I can use the tabs for houseplants if there the wrong composition.

So to cut a long story short, this is what there made of.

Nitrogen = 4%
Phosphorus Pentoxide = 2.5%
Potassium Oxide = 2.3%
Calcium Oxide = 9.3%
Iron 0.18%
Magnanese = 0.035%

Got a feeling there totally the wrong thing?
 

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I know that people have used Jobes plant spikes that are labeled for ferns. If that is what you have, go for it!

What is the source of the nitrogen?
 

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Discussion Starter #3
Unfortunately it does not say what the source of the nitrogen is on the packet. I dug a bit further and it seems like the Nitrogen source is poultry/horse manure.

I've no idea if this is suitable or if it's toxic for any water life. Though I have read some people feed it to pond fish.

Anyway, I think I will have to experiment with it. Seems like a very cheap fert, £1 for one kilo.
 

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