Ph high, GH high - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 05-30-2015, 05:32 PM Thread Starter
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Ph high, GH high

I think I've got to get the GH down to get the pH back down. pH is now 7.2 from 6.6 in March, GH is greater than 9 dGH.

Ok if I cut the Equilibrium this week with the water change? I'm dosing in half from 1/2 tsp to 1/4 tsp this week with a 50% water change and see how the GH is? Tap water here has very low GH.

MY TANK: Planted 10g; 2 x 10W CFL; Fluval U2 internal filter; MGOCPM/black sand cap

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started April 18, 2012
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post #2 of 2 (permalink) Old 05-30-2015, 11:59 PM
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GH doesn't affect pH. Only KH affects pH. If you want a lower pH you can use some % of distilled water with your tap water, to reduce the tap water KH. But, why bother for such a small difference in pH?

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