PH ALERT Seachem pH Alert™
6 MONTH MONITOR
pH Alert™ is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.8 and 8.6. Freshwater Only.... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
REEF STATUS CALCIUM TEST Seachem Reef Status™ Calcium
This kit measures all types of calcium, including gluconate calcium. The method is based on specific titration with a unique indicator. Measures in increments of 5 mg/L. Each kit runs 150 tests.... — Free Shipping when ordering $50 or more of qualifying items. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.