American Hydro RR1-2.5 Rid-O-Rust Rust Preventer 2.5 gal. 65PJADJTNT The maximum pressure is 150

The maximum pressure is 150 psi (10

easy-to-read backlit LCD screen

like trimming small stems and buds or harvesting flowers

Strong and reliable due to its robust design and glass-filled polypropylene construction

Programmable Off up to 99 days

American Hydro RR1-2.5 Rid-O-Rust Rust Preventer 2.5 gal. 65PJADJTNT The maximum pressure is 1502X CONCENTRATED FORMULA (RR1) 2. 5 Gallons The RR1 2. 5 by American Hydro Systems is the 2. 5 gallon container size option of the RR1 Rid O' Rust 2X Concentrate Rust Preventer. The RR1 should be used in place of formulas 500 and 2000 and features a twice as strong formula. American Hydro Systems using well water with any hardness level and a pH of 6 or greater are eligible for RR1 treatment. Every gallon treats 250,000 gallons of well water with 1 ppm