For accurate pH measurement across the full 0-14 pH scale

Aquaculture & aquaponics systems

Temperature: Probe MA831R (included)

Gravity filtration: Water flows through hybrid ceramic shell filters that remove contaminants

Unlike bottled calibration solutions that can become contaminated or degrade over time

Santevia Glass Bottle 500ml + Power Stick Filter Bundle - Green ZAP-PRO1 For accurate pH measurement acrossPremium Glass Alkaline Water Solution On the Go Get everything you need for pure, alkaline water hydration with this premium bundle. The Santevia Glass Water Bottle (500ml, Green) paired with the Power Stick Filter transforms ordinary tap water into mineralized, hydrogen rich alkaline watercombining the purity of glass with the benefits of alkaline filtration for health conscious, active lifestyles. What's Included: Santevia Glass Water Bottle (500ml)