Chelated iron in MTS (mineralized top soil) - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 07-09-2012, 01:55 AM Thread Starter
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Chelated iron in MTS (mineralized top soil)

when making the mineralized top soil i didnt have any clay..so i put 3 tbsp(the equivalent iron in 1 lb of clay)..at least by my rough calc. of chelated iron into the mud mix but i forgot that it dissolves so easily..now the water is yellowish. im doing big water changes every day but its still getting yellow (the iron powder is yellow thats y i htink its the iron). any ideas on how long this will last?

it is under low light ..no algae... yet..its been a week or so and the 2 small swords that are in it now are growing pretty well. its a 55gal tank and the rest of the plants are coming this week.

so....dont use chelated iron in MTS lol
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post #2 of 4 (permalink) Old 07-22-2012, 04:03 PM Thread Starter
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its been about 2 weeks and the water is still being stained yellow. fish and plants dont seem to mind so far.
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post #3 of 4 (permalink) Old 07-22-2012, 04:20 PM
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I would allow the remnants to stay in the water.
Eventually several things will happen:
1) The plants will take in the iron.
2) The chelation will break down where it is exposed to light.
3) The organic matter and finest soil particles in the substrate will latch onto the iron by way of cationic exchange capacity.

Activated carbon will remove chelated materials.
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post #4 of 4 (permalink) Old 07-22-2012, 06:52 PM Thread Starter
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Quote:
Originally Posted by Diana View Post
I would allow the remnants to stay in the water.
Eventually several things will happen:
1) The plants will take in the iron.
2) The chelation will break down where it is exposed to light.
3) The organic matter and finest soil particles in the substrate will latch onto the iron by way of cationic exchange capacity.

Activated carbon will remove chelated materials.
that makes a lo of sense. i was worried about an algae outbreak or something because of all that iron (i really don know if it would cause one or not) ...but aside from the yellowish water everything has been great..probably because theres just low lighting. thanks diana
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