TDS, EC and Temp Meter, 3 in 1 Pro Grade Water Test Meter
If you are in a disaster, you need to know if your water is safe to drink. With this great pH Tester, you can quickly test your water. Just dip in the water and it does the rest. It comes with instructions to show you exactly what to do!https://www.amazon.com/selpHbalance-Pro-Grade-Drinking-Aquariums-Professional/dp/B01J1JK6KE/ref=sr_1_cc_4?s=aps&ie=UTF8&qid=1474897659&sr=1-4-catcorr&keywords=selphbalance#feature-bullets-btf
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