ghl controller

Hey Reefers- I have been deciding on a doser for 2 part, and the GHL 2.1 seems like my best option. Although there are cheaper routes, such as the Jebao DP4, I can't risk over/under dosing when i'll be dosing small quantities ( like 1-2ml), especially in a 25 gallon SPS tank. My livestock is...

Profilux 4 ultimate set and more (white) USED ProfiLux 4 Ultimate Set includes $750.00+SHIPPING ProfiLux 4 controller, White ProfiLux 4 power supply Water temperature sensor pH probe Redox probe Conductivity probe Powerbar 5.1 with PAB-cable 2m ProfiLux Touch with PAB cable 2m Calibration...