formulas for doising gh in my RO/DI - The Planted Tank Forum
Old 02-28-2013, 01:31 PM Thread Starter
Algae Grower

Join Date: Aug 2011
Location: arlington, tx usa
Posts: 79
formulas for doising gh in my RO/DI

Can anyone share their formula. Fort putting. Gh in there new ro/di water

Thanks Todd Ziegler
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Old 02-28-2013, 02:06 PM
Planted Tank Guru

Join Date: Mar 2009
Location: Citrus County,Florida
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rather than continuing to mix minerals I just cheat now and purchase GLA's ultimate booster for the convenience

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2-75g planted, 3-55g planted, 110g w/30g sump, 2018 update returning to sanity (Nutz)
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Old 03-01-2013, 08:00 AM
Wannabe Guru

Join Date: Apr 2007
Location: Delaware
Posts: 1,600
Quote:
Originally Posted by toddziegler View Post
Can anyone share their formula. Fort putting. Gh in there new ro/di water
I use a milligram scale for all my measurements, but you can round off.

You can use APC Fertilator or type rota.la into your browser for wet's calculator to figure out what dosage is needed to achieve the levels for your size tank.

GH:
CaSO4 = 32.148ppm
MgSO4 = 6.52ppm

KH:
1~2 (approx .032g Baking Soda raises 1 Liter to 1KH)

1gal = 3.785L

So for example, to raise 10gal to 1KH then (37.85L x .032g)= 1.211g Baking Soda.

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The Junkie
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Old 03-01-2013, 01:30 PM
Algae Grower

Join Date: Mar 2013
Location: USA
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I mix tap water with RO at a 3:1 ratio. I end up with ph 7, gh 5 and kh 5.
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