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FinnFan · 10-02-2007, 01:05 PM

I am rather confused. I made up a jug of conditioned tapwater last night (using API's water conditioner - it is not supposed to alter PH in anyway. It only removes chlorine and chloramine.) I tested the PH of the jug of conditioned water today. The ph is 7.2

I then tested the ph of all three of my tanks. All three of them were 8.2

The 5 g has regular gravel substrate (labeled for aquarium use), a lace rock, and a peice of petrified wood, plus three plants. It is filtered by a biowheel.

The 10 g has 2 silk plants and pea gravel (found at a landscaping place, and rinsed thoroughly) for substrate. It is filtered by a corner filter with filter floss in it.

the 50 g has the same pea gravel substrate, 3 live plants, a bunch of silk and plastic plants, a piece of lace rock, several pieces of granite, several pieces of slate, and 2 pieces of driftwood. It is filtered by a penguin 350 biowheel and a corner filter with filter floss.

What the heck could be causing my ph to go from 7.2 in the bottle, to 8.2 in the tanks?

Any assistance is much appreciated.

Edited to add:
Do you think it is because the water in the tanks is more oxygenated? The water in the bottles was made last night (only a little over 12 hours ago) and sat in the closet with a lid on until I just opened it to test it, today.

10-02-2007, 01:05 PM	#1
FinnFan Information junkie Join Date: Aug 2007 Location: Somewhere over the rainbow Posts: 214	Ph woes... from 7.2 to 8.2 WTH? I am rather confused. I made up a jug of conditioned tapwater last night (using API's water conditioner - it is not supposed to alter PH in anyway. It only removes chlorine and chloramine.) I tested the PH of the jug of conditioned water today. The ph is 7.2 I then tested the ph of all three of my tanks. All three of them were 8.2 The 5 g has regular gravel substrate (labeled for aquarium use), a lace rock, and a peice of petrified wood, plus three plants. It is filtered by a biowheel. The 10 g has 2 silk plants and pea gravel (found at a landscaping place, and rinsed thoroughly) for substrate. It is filtered by a corner filter with filter floss in it. the 50 g has the same pea gravel substrate, 3 live plants, a bunch of silk and plastic plants, a piece of lace rock, several pieces of granite, several pieces of slate, and 2 pieces of driftwood. It is filtered by a penguin 350 biowheel and a corner filter with filter floss. What the heck could be causing my ph to go from 7.2 in the bottle, to 8.2 in the tanks? Any assistance is much appreciated. Edited to add: Do you think it is because the water in the tanks is more oxygenated? The water in the bottles was made last night (only a little over 12 hours ago) and sat in the closet with a lid on until I just opened it to test it, today. Last edited by FinnFan; 10-02-2007 at 01:09 PM.