Hanna HI780-25 Marine pH Reagents | 100 Tests | Reef Aquarium pH Checker HI3815-100 Santevia Mineral Stones replicate this

Santevia Mineral Stones replicate this process in your Gravity Water System’s lower reservoir: filtered water sits in contact with maifan stones and bio-ceramic balls

EC to TDS Conversion Factor: Non-linear conversions for KCl

Small parts can go missing during transport or degrade over time — especially in rough terrain or tough weather

5 inches (diameter)

Hanna HI780-25 Marine pH Reagents | 100 Tests | Reef Aquarium pH Checker HI3815-100 Santevia Mineral Stones replicate thisHanna HI780 25 Marine pH Checker Reagents 100 Tests Keep your reef tank thriving with precision pH data. The Hanna HI780 25 replacement reagents are engineered specifically for the HI780 Marine pH Checker HC, delivering fast, accurate pH readings in saltwater and reef aquarium environments every single time. Why Choose HI780 25 Reagents? Pre measured for accuracy no guesswork, no dilution errors Phenol Red colorimetric method color shifts from yellow