Agriculture Salts

Jacks Finish 25lb (7-15-30)

You've always been told to finish strong. This formula is ideally formulated for this purpose to provide your plants with a very low nitrogen, high phosphorus and very high potassium content to keep the whole plant happy to the end of its crop cycle

Jacks Boost 25lb (10-30-20)

Need a Boost of Flower Power? Our 1:3:2 major nutrient ratio has been trusted by Jack's Professional growers for over 70 years. This soluble and available nutrient combination stimulates blooming, resulting in heavy bud and fruit set.

Jacks Part B 25lb (16-0-0)

Jack's Calcium Nitrate B is an essential calcium supplement for hydroponics. It is a highly soluble and available source of calcium that is easy for plants to take up. Jack's Calcium Nitrate B can be used to prevent calcium deficiency, which can lead to...

Jacks Part A 25lb (5 12-26)

Jack's Nutrients 5-12-26 Part A is a complete, water-soluble fertilizer that is ideal for use in hydroponics, foliar feeding, and fertigation. It is also a good choice for use on vegetables, flowers, fruits, and lawns. The fertilizer contains a balanced...

General Hydroponics FloraPro Calcium + Micros Soluble 25 lb bag (80/Plt)

General Hydroponics® FloraPro™ Calcium + Micros Soluble 14 - 0 - 0 + 17% Ca FloraPro™ Calcium + Micros is specially formulated for high value production crops where results and consistency are paramount. Our unique formulation...

General Hydroponics FloraPro Bloom Soluble 25 lb bag (80/Plt)

General Hydroponics® FloraPro™ Bloom Soluble 6 - 10 - 21 FloraPro™ Bloom is specially formulated for high value production crops where results and consistency are paramount. Our unique formulation and methodology produce superior results...

General Hydroponics FloraPro Grow Soluble 25 lb bag (80/Plt)

General Hydroponics® FloraPro™ Grow Soluble 9 - 11 - 19 FloraPro™ Grow is specially formulated for high value production crops where results and consistency are paramount. Our unique formulation and methodology produce superior results...

General Hydroponics FloraPro Hardwater + Micros Soluble 25 lb bag (80/Plt)

General Hydroponics® FloraPro™ Hardwater + Micros Soluble 14 - 0 - 0 + 17% Ca FloraPro™ Hardwater + Micros is specially formulated for hard water conditions where results and consistency are paramount. Our unique formulation and...