Jack's All Purpose 20-20-20 is a balanced formula. It can be used in a variety of growing material, in almost any stage of plant growth, as a constant or periodic liquid feed, alternating with water to provide the plant with a boost of balanced nutrition.

Jack's Clone will help promote strong, & fast root growth & expansion. Best used for fertilizing young seedlings, transplants, clones & newly set rooted cuttings.

Jack's Ultraviolet provides a serious boost of available phosphorus. The primary goal of this formula is to assist in shutting down the vegetative growth stage of the plant & stimulate a switch to the reproductive or flowering phase.

Jack's Part A formula for vegetative growing is built with purely soluble & available nutrients to allow maximum flexibility. A balance of macro, secondary & micronutrients delivers a combination of nutrients suitable for all environments & crops.