chelating vinegar
 

Is there a way to chelate a carbon source for slow-release purposes? E.g. gelatine.. agar.. I was wondering if anyone attempted doing this.

What would be most suitable?

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Binding agent is the correct term, my bad

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That's what bio-pellets are. Do you want a DIY approach?

Chelating refers to attaching a metal to an organic, technically.

Hi Bertoni, indeed the DIY route. It is to release small amounts of carbon in a low-flow denitrification reactor. Ofcourse I could use a dosing pump, but like to know if it is possible to make a 'carbon pudding' which dissolves in a few days/week.

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I think there are formula around for DIY bio-pellets. I'll take a look. This post has some information:

http://www.reefcentral.com/forums/sh....php?t=1883610

The alginate is interesting "spherification".. I wonder if the bacteria gell balls (e.g.those from fauna marin) are made this way... or maybe agar agar.. thank you.. I fool around with it and see how long it lasts in saltwater..

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That sounds like an interesting idea. I'd be careful with the amount in the system, though, and ramp up very slowly.