Jack's® Nutrients 15-0-0 Calcium Nitrate Part B - 25lb BAG (without micronutrients) Timers The 1/8-inch barbed outlet feeds

The 1/8-inch barbed outlet feeds the micro-tubing directly

± 2% Full scale (for EC and TDS)

Versatile Application: Highly effective as both a targeted foliar spray and a standard hydroponic reservoir additive

The female lays her eggs on the plants

designed to seamlessly integrate with the Knockbox 3100 Fast Filling Machine

Jack's® Nutrients 15-0-0 Calcium Nitrate Part B - 25lb BAG (without micronutrients) Timers The 1/8-inch barbed outlet feedsJacks Nutrients 15 0 0 Cal Trate for Hydroponics This pure blend delivers 18% calcium and 15% nitrate nitrogen, letting growers fine tune Ca and N without added micros for consistent results and precise EC targets. Calcium Nitrate Part B Boost Pairs with 5 12 26 Part A Use alongside Jacks 5 12 26 to build a complete, water soluble two part feed that mixes clear, resists clogging, and supports strong cell walls, vigorous growth, and heavier yields.