Hanna Low Range Phosphate Colorimeter - Checker HC Water Treatments & Medications Biotin (Vitamin B7)

Biotin (Vitamin B7)

Electrically ChildSafe 12V low voltage design

Accessory d-ring

For 64-86°F (18-30°C) - Feed two to four times per day the amount your fish will completely consume within five minutes

vitamins and minerals to promote rapid color growth

Hanna Low Range Phosphate Colorimeter - Checker HC Water Treatments & Medications Biotin (Vitamin B7)Key Features Achieve accurate water testing results with our simple handheld colorimeter. Trust your readings now, our low range phosphate colorimeter brings you more precise technology than your average chemical test kit. By determining your results digitally, our handheld colorimeter eliminates the effort of matching to a color chart. Stock up on reagents! This checker includes a starter kit for 6 tests. Small and portable design to take it anywhere