Made with 1/4" clear acrylic with a single polycarbonate lid. Designed to use 1/4" tubing, using John Guest (SpeedFit) fittings and rigid clear uptake lines.

A clean single container that holds four solutions (such as Alkalinity, Calcium, Magnesium, and Acropower). Requires four dosing heads, one for each zone, to dose your reef aquarium. 

Each compartment holds 1-gallon of solution.

21.25" long x 5.25" wide x 12" tall.

More images here: https://melevsreef.com/blogs/quad-zoned-dosing-reservoir