10/30/2026
Two continuous-duty dosing workhorses for any size aquarium!
HYDROS DUET - Super-Duty at 600 mL/min, built for demanding jobs like automatic water changes, with 4 SENSE Ports and 1 DRIVE Port built in.
HYDROS SOLE - Heavy-Duty at 300 mL/min, perfect for calcium reactors, kalkwasser, and sulfur nitrate reactors.