Re-Mineralizing RO/DI Water - The Planted Tank Forum
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post #1 of 3 (permalink) Old 03-28-2016, 02:24 PM Thread Starter
Algae Grower
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Re-Mineralizing RO/DI Water

Using PPS Pro with RO/DI water.

Looking for a DIY Recipe for re-mineralizing RO/DI water. Found the recipe below, see chart/link.

Question: Can CaSO4*H2O2 be substituted for CaSO4? Seems as if gypsum is much cheaper and easier to find than pure CaSO4.

Of course, any other tips on this topic appreciated.


Re-Mineralizing RO/DI water from PPS Pro Website

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post #2 of 3 (permalink) Old 03-29-2016, 01:29 AM
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Yes, you can use Gypsum and a strainer makes the process much easier.

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Last edited by Edward; 03-29-2016 at 01:33 AM. Reason: .
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post #3 of 3 (permalink) Old 03-29-2016, 02:42 AM Thread Starter
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diy, ro/di

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