CNS17 is ideally suited to wide range of vegetable, flower and fruiting crops grown hydroponically , in the soil or soilless grow substrates. While CNS17 is very effective in all substrates, growers using Coco coir fiber will be particularly impressed. CNS17 is formulated to contain optimum levels of calcium and nitrogen required to offset the high level of potassium that naturally occurs in coco fiber. CNS17 is the result of new production technology allowing us to create a professional strength one part fertilizer containing all the required nutrients in the correct balance. CNS17 combines high levels of calcium with sulfates and phosphates to provide a complete spectrum of plant nutrients. Virtually no other commercial hydroponic single part nutrient offers the spectrum ...

Frame to fit American Hydroponics Econo 3' x 3' tray....

Ballast Kit Halide 400 W Multi-Volt We offer premium quality North American made ballast components. All parts are UL recognized. Ballasts include welded-on brackets for easy replacement mounting. All units 175 watts and above are multi-volt capable. Replacement Ballast Kits - Halide, Sodium or Halide/Sodium Convertibles are available in a variety of wattages, brands and types. Be sure to review item number and descriptions carefully before ordering. If we can help you select the proper item, please don't hesitate to contact your Hydrofarm sales representative. Photos shown may not be actual product, brand may vary, may be North American or imported brand....

Ballast Kit Halide 1000 W Multi-Volt We offer premium quality North American made ballast components. All parts are UL recognized. Ballasts include welded-on brackets for easy replacement mounting. All units 175 watts and above are multi-volt capable. Replacement Ballast Kits - Halide, Sodium or Halide/Sodium Convertibles are available in a variety of wattages, brands and types. Be sure to review item number and descriptions carefully before ordering. If we can help you select the proper item, please don't hesitate to contact your Hydrofarm sales representative. Photos shown may not be actual product, brand may vary, may be North American or imported brand....

A waterproof alternative to metallized film for grow areas. •Heavy-duty plastic, 4 or 5.5 mil •3' long folded rolls - folds out to 10' wide •Easy to handle •BLACK side - for sealing in light •WHITE side - for reflection...