Bluelab pH Controller Power Supply: 3536 pack

This is a multi-pack that includes (3536) Bluelab pH Controller Power Supply, which enables hands-free monitoring and dosing of solution pH levels. It is ideal for use with reservoirs up to 200 US gal/760 L, and features a plant-safe green backlit LCD with adjustable brightness, easy-to-read display, and easy to navigate menu to program, adjust settings and calibrate by a simple push of a button. It also includes a replaceable double junction pH probe and temperature probe (for pH ATC) and can be used with undiluted Bluelab pH Up or Down. Additionally, it comes with a wall mount housing, 13 ft acid/alkali resistant dosing tube, international power supply, and a 6-month guarantee for Bluelab pH Probe.