Hanna pH Electrode Storage Solution HI-70300L - 500ml Dosing & Auto Top Off This replacement ballast is designed

This replacement ballast is designed for the higher-output ProMax UV models that use amalgam germicidal UV bulbs

Adjustable arm design helps tune light height and position over the aquarium

Compact multi-head body: Saves cabinet space compared with using multiple separate dosing pumps

The 46-61 inch Reef 4

Hanna pH Electrode Storage Solution HI-70300L - 500ml Dosing & Auto Top Off This replacement ballast is designedHanna pH Electrode Storage Solution HI 70300L 500ml Hanna pH Electrode Storage Solution HI 70300L 500ml is a storage solution for pH and ORP electrodes, helping keep the glass membrane hydrated and ready for accurate readings. Storage Solution for pH and ORP Electrodes Designed for storing pH and ORP electrodes. Helps keep the glass membrane hydrated between uses. Supports faster response and more reliable measurements. Special formulation helps