Bluelab ppm Pen ProteinEggFood Guaranteed Analysis:Protein – 16 %

Guaranteed Analysis:Protein – 16 % Min | Fat – 32 % Min | Fiber – 34 % Max

Shirred elastic backs ensure a secure fit

allowing pets to enter and exit with ease

30%Docosahexaenoic Acid (DHA) - Min

and visually stunning lawn for years to come

Bluelab ppm Pen ProteinEggFood Guaranteed Analysis:Protein – 16 %The Bluelab ppm Pen measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. Its fully waterproof and also features a backlit LCD display, optional calibration and a successful calibration indicator, hold function, low battery warning, auto off function and automatic temperature compensation. It operates in units of 500 or 700 parts per million (ppm) and has a range of 0 to 5,000 ppm or 0