HM Digital® COM-300 Co2 TanksCOM 300: Waterproof Professional Series pH EC TDS Temp Meter The COM 300 is a professional grade level pH EC TDS Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. FEATURES: Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total
Pumps include a variety of attachment fitting to choose from as well as a strainer and foam filter
Offers an energy-efficient high output ballast for long life
Inside Dimensions: 46 1/4" x 46 1/4" x 3 1/8"
ornamentals or shade trees
Note: Our 315w CMH units do not offer a dimming feature
General Hydroponics® FloraNectar® FruitnFusion 0 - 0 - 1
micronutrients and yucca extract
With a 15 Amp capacity
Blade Design - Mixed Flow
Cold water processed to preserve natural occurring growth hormones
No additives - 100% pure freshwater diatomaceous earth
especially when high air capacity and extra drainage are required