Emerald Harvest® pH Down Size:Emerald Harvest pH Down 2.5 Gallon Carabiner clips provide a secure

Carabiner clips provide a secure hold

For optimal performance it is recommended that the filter be replaced every 3–6 months

This rugged meter includes automatic temperature compensation (ATC) for more precise pH readings

All you have to do is place the probes directly into the chamber for direct measurement of nutrient solution

creating less heat

Emerald Harvest® pH Down Size:Emerald Harvest pH Down 2.5 Gallon Carabiner clips provide a secureKeep your nutrient solution in the sweet spot with Emerald Harvest pH Down. A pH reading above 6. 5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH of your nutrient solution. Use pH Down as needed for guaranteed professional results.