Bluelab PeriPod M4™ will maintain stable pH and nutrient levels in your reservoir, ensuring optimal nutrient availability for your plants at all times. Your PeriPod M4™ responds to triggers received from the Bluelab® Pro Controller™, dosing pH adjusters and nutrient stock solutions into your reservoir to achieve optimal conditions for nutrient uptake. Since there’s no need for spot checks or manual adjustments, the Bluelab® PeriPod M4™ saves you time and labour so that you can focus on growing healthier plants every single time. When you pair your controller with high-precision Bluelab® PeriPod M4™ dosers, you’ll have a complete nutrient dosing system.