[greenguppy]

Looking to naturally lower on in a few.of my tanks? My water is about 7.8 I would like to lower it to 6.8-7.0. Any suggestions?

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[Darkblade48]

Injecting CO2 is one common method. Alternatively, mixing in some RO water with your tap water during regular water changes will also be one way to lower pH.

 

[mboley]

Its safe to assume you are not using an active substrate with that Ph, so switching to an AquaSoil would be the best way to lower it. Your plants will thank you, more so when combined with co2. As said above, switching to RO water is an option too.

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[greenguppy]

ok I will do the ro option.