Jack's Fertilizer
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JR Peters Jack's Classic Water Soluble All Purpose Fertilizer, 20-20-20
Jack's Fertilizer
$8.99 - $44.99Jack's Classic All-Purpose Plant Food is ideal for everything you grow!Key Product FeaturesJack's Classic 20-20-20 All Purpose Fertilizer is considered the industry standard of general purpose...$8.99 - $44.99 -
Jack's Professional 21-7-7 Acid Water-Soluble Fertilizer with Micronutrients for Acid-Loving Plants in Continuous Feed Programs, 25lbs
Jack's Fertilizer
$74.99Provide the optimal home for your acid-loving plants with 21-7-7 Jack's Professional fertilizer!Key Product Features21-7-7 Analysis - Provides a rapid correction of high pH situations on plants such...$74.99 -
Jack's Classic 15-30-15 Houseplant Special Water-Soluble Fertilizer with Micronutrients to Green-Up and Increase Blooms in Houseplants, 8oz
Jack's Fertilizer
$7.89Grow gorgeous and showy houseplants with Jack's Classics!Key Product Features15-30-15 Analysis - Great for keeping houseplants vigorous and green and increasing the quality and quantity of...$7.89 -
Jack's Aquagold Finisher 7-15-30 Hydroponic Fertilizer Powder for Liquid Feed Systems, 25 Pound Bag
Jack's Fertilizer
$99.99Ideal for growers who want a high potassium or full micro nutrient package fertilizer!Key Product Features7-15-30 fertilizer analysis30% potassium helps ripen tomatoes and fend off yellow...$99.99 -
Jack's Classic 20-10-20 Citrus FeED Water-Soluble Fertilizer with Micronutrients to Provide Better Growth and Fruiting in Tropical Fruiting Plants, 1.5lbs
Jack's Fertilizer
$13.99Enhance the health of your citrus fruit plants!Key Product Features20-10-20 Analysis - Great for producing vibrant green leaves, strong branches, and more fruit in tropical fruiting plants.Many Ways...$13.99 -
Jack's Classic 7-5-6 Orchid Liquid Concentrated Fertilizer with Micronutrients for Vegetative Growth and Prolific Blooming, 8 fl oz
Jack's Fertilizer
$11.99Feed your beautiful orchids with confidence!Key Product Features7-5-6 Analysis - Promotes vegetative growth and prolific blooming in all orchid varieties. Use when flower spikes appear and switch...$11.99 -
Jack's Professional 10-30-20 Blossom Booster Water-Soluble Fertilizer with Micronutrients for Increasing Blooms in Plants Grown in Continuous Liquid Feed Programs, 25lbs
Jack's Fertilizer
$109.99Increase the amount of beautiful blooms in your garden!Key Product Features10-30-20 Analysis - Great for producing brighter, more plentiful flowers in flowering plants and producing better vegetables...$109.99 -
Jack's Nutrients 10-30-20 Bloom Water-Soluble Fertilizer for Root Growth and Fruit Development in Continuous Liquid Feed Programs, 2.2lbs
Jack's Fertilizer
$27.99Give your hydroponic setup a boost with Jack's Nutrients!Key Product Features10-30-20 Analysis - Stimulates blooming in plants with heavy bud and fruit set.Water-Soluble Powder - Powdered...$27.99 -
Jack's Nutrients 12-4-16 Reverse Osmosis Water-Soluble Fertilizer for Nutrient Uptake in Pure and Reverse Osmosis Waters in Continuous Liquid Feed Programs, 2.2lbs
Jack's Fertilizer
$24.99Give your hydroponic system a boost with Jack's Nutrients!Key Product Features12-4-16 Analysis - This one part nutrient blend is designed for crops grown in very low alkalinity waters such as reverse...$24.99 -
On Sale
Jack's Nutrients 5-50-18 UltraViolet Water-Soluble Fertilizer for Bud Set and Enhanced Flower Production in Continuous Liquid Feed Program, 2.2lbs
Jack's Fertilizer
Now: $19.47Was: $27.99Promotes bud set & enhanced flower production in your hydroponic system!Key Product Features5-50-18 Analysis - Assists in shutting down the strong vegetative growth stage and stimulates a switch...Now: $19.47Was: $27.99 -
Jack's Nutrients 15-0-0 Part B Calcium Nitrate Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth in Continuous Liquid Feed Programs, 25lbs
Jack's Fertilizer
$44.99Give your hydroponic setup a boost with Jack's Nutrients!Key Product Features15-0-0 Analysis - Provides a very soluble and available source of calcium and nitrate nitrogen sources. Works in tandem...$44.99 -
Jack's Professional 25-5-15 High Performance Water-Soluble Fertilizer with Micronutrients for Heavy Feeding Plants in Continuous Liquid Feed Programs, 25lbs
Jack's Fertilizer
$59.99Give your acid-loving plants something they will love!Key Product Features25-5-15 Analysis - Best as a continuous feed for heavy feeding plants in moderate to warm temperatures. Can be used as a...$59.99