API PH Down Aquarium PH Adjuster, 4-Ounce

My public water is quite alkaline; pH testing solution shows a dark blue.

I use 1/2 teaspoon in 2gal of tap water (plus water conditioner) for my 2gal Hex tank.

The result is a light blue with maybe a tinge of green appearing. So, it's close to neutral pH.

I am happy with this product and will keep purchasing.

Walmart quit selling Ph Up and Down for my aquarium. I found it here in a larger bottle. Very satisfied! Thank you!

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I have a 55-gallon tank and the whole bottle barely moved the ph. Now I buy pool chemicals pH+ because you get 4 lbs. of powder for

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