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Red_Rose · 05-09-2008, 10:06 AM

Test your tap water to see what the GH is. If your GH is 8 or higher, you won't need to add anything to harden your water. It's also good to know what your KH is from the tap too. I think anything from 4 or higher is recommended to prevent your pH from fluctuating or crashing.

05-09-2008, 10:06 AM	#5 (permalink)
Red_Rose Senior Member Join Date: Mar 2007 Location: Southern Ontario, Canada Posts: 555 iTrader Ratings: 0 Plant Points: 95800	Re: pH issues!!! Test your tap water to see what the GH is. If your GH is 8 or higher, you won't need to add anything to harden your water. It's also good to know what your KH is from the tap too. I think anything from 4 or higher is recommended to prevent your pH from fluctuating or crashing.