Use the PeriPod? M3 doser with the Bluelab? Pro Controller? for a fully integrated solution for optimal reservoir dosing. The Bluelab? PeriPod? M3 is a simple and reliable inclusion that has 1x 120 ml (4 fl oz)/min peristaltic pump for dosing pH adjuster solutions and 2x 120 ml (4 fl oz)/min peristaltic pumps for dosing nutrient stock solutions. The Bluelab? PeriPod? M3 responds to dosing triggers received from the Bluelab? Pro Controller? and pumps pH adjusters and nutrient stock solutions into your reservoir using peristaltic pumps. Accurately measure, control and maintain pH levels. Grow sites are all different so now you can choose the pump size to match your setup needs and add optional extras like Bluelab Alarm Box and Sample Pot to your dosing system setup. Includes 13 ft of acid/alkaline resistant food-grade tubing for dosing pH correction solution and 13 ft of food-grade tubing for dosing nutrient stock solution.