Sensen ACO Series Electromagnetic Air Pump 45 W ballasts the AZ waterproof pH pen

the AZ waterproof pH pen is the clear choice

making it ideal for smaller grow spaces and for mixing between HPS lamps to enhance spectral diversity

Otherwise apply as per run to waste

For best results mix required amount into reservoir or watering can thoroughly

Sensen ACO Series Electromagnetic Air Pump 45 W ballasts the AZ waterproof pH penSensen Electromagnetic Air Pumps are driven by high quality DC permanent magnet motors. The reciprocal piston moves up and down in the cylinder to produces high pressure air flow. The non oil lubricating design produces cleaner compressed air than diaphragm style pumps. Aluminium housings disperse heat efficiently, offering higher reliability and expected lifespan.