I have 4 Hanna Checkers for sale. I have had them for a few months and I don’t use them as much as I thought I would in favor of going to the fish store to get my water tested. They were all used a few times but have all parts including the boxes and some have the sleeves. They are $50 each which includes shipping in the United States and $40 if picked up locally. I will accept PayPal business and Venmo protected payment which includes buyer’s protection .
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