Product description: Aqua Medic KR 1000 calcium reactor The Aqua Medic KR 1000 calcium reactor provides dissolved calcium for coral tanks up to 250 gallons. It is a closed system designed for universal use. It can operate on a bypass system, independent of the water level in the tank, or alternatively, the filter can be installed in the accessory box. The KR 1000 has a port to accommodate a PG 13.5 threaded electrode for measuring pH value, in addition to an SP 3000 dosing pump to control water flow. Features:

• Provides dissolved calcium for coral tanks up to 250 liters
• A closed system designed for universal use
• It can operate in a bypass system, independent of the water level in the tank filter, or it can also be installed in the accessory box
• It contains a port to accommodate a PG 13.5 electrode for measuring pH value
• It has an SP 3000 dosing pump to control water flow