Review on π Optimal pH Testing Kit by EHM by Curtis Donjuan
Simple and fun science experiment for kids
I ordered this so my son and I could talk about acids and bases in water and how they affect our tooth enamel. It was a really fun experiment, it didn't last long and my little son really enjoyed it. If you see my attached picture, blue is good, yellow is not so good. (Book about Dasani and the Glacier.)
- Easy to carry and easy to use
- Not bad but...
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