HYDROS Control X2 (Controller Only) Probe The price is just about

The price is just about double of standard GFO however you only need to use half as much which equals out in the long run

DDR Compatible (sold separately)

When using the default testing schedule of four (4) alkalinity

seek medical advice immediately (show label where possible)

HYDROS Control X2 (Controller Only) Probe The price is just aboutPlease note CONTROL 2 ONLY Nothing else is included. Monitor & Control Like a Pro, Even if You're a Beginner About Control X2 HYDROS Control X2 is a small, general purpose aquarium controller capable of managing and controlling all the main functions of an aquarium. Set up is quick and easy, making this ideal for both beginner and advanced hobbyists. Monitor temperature, detect leaks, power equipment, control outlets, and more with ease through the