Rope Ratchets Bio-Fertilizer Expanded 4-digit dual-line display shows

Expanded 4-digit dual-line display shows pH and temperature readings simultaneously

Maximum air cooling with built-in 8" flanges

or as a top dress for encouraging vigorous flowering and fruiting

automatic temperature compensation (ATC) with adjustable

Heavy duty plastic stakes used to hold 1/4" tubing in place

Rope Ratchets Bio-Fertilizer Expanded 4-digit dual-line display showsHydrofarm's compact rope ratchets (2 per pack) are perfect for hanging lights, filters, and other equipment. They have metal components for long life and strength, and the patented pully system pulls tight, locks in place, and adjusts easily. Each ratchet holds 75 lbs. so the pair can handle jobs up to 150 lbs. Carabiner clips make attaching or removing equipment a snap. Comes in attractive clam shell packaging. Includes: 2 ratchets 4 easy to use