WaterGuru

Anyone installed this into their pools? I recently used this and so far, it is on point with the readings. I went to get my water tested and it was pretty accurate. Love it so far...
Their tests aren't very accurate, so the WG agreeing doesn't say much.

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That said, we have members who regularly compare it to a Taylor based test kit and have seen it be off, but consistently.

Then, they can use its baseline and monitor for any changes, which would also alter the true reading.

In short, you still need a reliable test method for comparison.