Negative Positive
Title: Watch out for old test packages
Review: I purchased this in Home Depot to verify iron levels in my well which I knew were high, but not how high. The tests came out as zero. I called the company and they sent me another set of strips to try. They said if this item is stored in a hot area (such as a warehouse) it can lose integrity. That was nice, but the 2nd strips still read around .1ppm. The kit I have is not like any of the covers now selling on-line - mine has a solid blue cover with no people on it - old?. I bought a Hach iron test kit and the reading was around 1ppm - a big difference. I've had the 1ppm verified so the Pro-lab test is not for someone who is trying to determine healthy levels for their household water. If you're going to test on a regular basis, splurge for a more expensive kit to give you peace of mind.
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