High precision calibration solution designed for any type of pH monitor.
Ensure that you warm the solution to aquarium temperature before calibrating!
Comes in an easy to use disposable pouch. Simply cut the corner off and use!
One time use only.
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Scott Review by Scott
Quality Price Value
Can't beat it, allows for for quick setup of prob (Posted on 4/27/2017)
does what it says Review by nicholas
Price Value Quality
Buy 4 and get a discount, cheapest place in BC. (Posted on 10/27/2015)