djorijun Member Jul 15, 2019 #1 $20 for each only Calcium comes with Reagent which will expire in the next couple of months. Calcium Alkalinity Phosphate Refractometer $10 Located in Encino Willing to ship, you pay shipping. Last edited: Jul 15, 2019
$20 for each only Calcium comes with Reagent which will expire in the next couple of months. Calcium Alkalinity Phosphate Refractometer $10 Located in Encino Willing to ship, you pay shipping.