Help me replace Equilibrium with DIY fertz - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 01-30-2019, 08:04 PM Thread Starter
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I've been using Equilibrium weekly at water change, but its not clear exactly how much/what is in it.

I have Epsom Salt for Mg, is there a good source for Calcium? If I use CaCO3 to raise KH instead of Baking Soda, will that cover the calcium needs? (I can stop using baking soda?)

What about the other traces? Is the K2O (Potash) contributing to K in the aquarium? Since I'm dosing EI, do I need that?

Only other thing is Fe (which I'm diy dosing) and Manganese, which is in CSM+B.

Basically, it appears that I need a source of calcium.

Would this limestone work?

https://www.homedepot.com/p/40-lb-Pe...4803/202312836


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Last edited by Darkblade48; 01-30-2019 at 11:36 PM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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post #2 of 5 (permalink) Old 01-30-2019, 08:47 PM
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Equilibrium is on Rotala Butterfly and in my StockSolPro spread sheet.

Per RB:
Quote:
Your addition of 1 g (equivalent to less than 1/64 tsp) Seachem Equilibrium to your 70gal aquarium adds:
Element ppm/degree
K2O 0.8680
K 0.7359
Ca 0.3042
Mg 0.0910
Fe 0.0042
Mn 0.0023

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post #3 of 5 (permalink) Old 01-30-2019, 10:14 PM
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post #4 of 5 (permalink) Old 02-01-2019, 05:59 AM
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Nilocg also sells CaSO4 by itself. You may be able to source it locally under the name gypsum salt.

Make sure you have an accurate scale to measure. I trusted measuring spoons as listed on Rotala Butterfly, and mine were way, way off.
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post #5 of 5 (permalink) Old 02-01-2019, 10:34 AM
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Quote:
Originally Posted by natemcnutty View Post
Nilocg also sells CaSO4 by itself. You may be able to source it locally under the name gypsum salt.

Make sure you have an accurate scale to measure. I trusted measuring spoons as listed on Rotala Butterfly, and mine were way, way off.
Get one with a Calibration weight included or buy a set separately.

https://www.amazon.com/American-Weig...igh+scale+200g

https://www.amazon.com/American-Weig...bration+weight

https://www.amazon.com/Precision-Cal...bration+weight

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