i need a ph tester

Screwed Up Texas said:

I bought a cheap PH, moisture, and light (3 in 1) meter from Home Depot for like a little under $8. It's holdin up for now lol.

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sometimes they seem to work out, other times not so good
i saw someone who had one that wasn't working, did a little light sanding of the tip with sandpaper, seemed to work well after that