Jack's Fertilizer
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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 -
On Sale
Jack's Professional 22-5-16 Mum FeED Water-Soluble Fertilizer with Micronutrients for Compact Mum Growth in Continuous Liquid Feed Programs, 25lbs
Jack's Fertilizer
Now: $57.79Was: $67.99Mums are a major part of Fall for many gardeners. With Jack's Professional Mum Feed, they can help to ensure that they grow as vibrant and healthy as possible!Key Product Features22-5-16 Analysis -...Now: $57.79Was: $67.99 -
Jack's Professional 15-15-15 Geranium Water-Soluble Fertilizer with Micronutrients for Root Growth and Bud Set in Geraniums Grown in Continuous Liquid Feed Programs, 25lbs
Jack's Fertilizer
$89.99Jack’s Professional 15-15-15 Geranium is a water-soluble fertilizer for geraniums and other neutral pH loving plants. Product Details15-15-15 Analysis - High phosphorus content promotes strong root...$89.99 -
Jack's Nutrients 16-4-17 Hydroponic Fertilizer for Vegetative Growth in Continuous Liquid Feed Programs, 25lbs
Jack's Fertilizer
$64.99Deliver high quality nutrients you can trust with Jack's Hydroponic Fertilizer! Key Product Features16-4-17 Analysis - Designed for vegetative growth in lettuce, herbs, and specialty greens in a...$64.99 -
Jack's Classic 12-15-30 Veggie FeED Water-Soluble Fertilizer with Micronutrients for Plant Growth and Abundant Fruit Set in Blooming Vegetable Plants, 1.5lbs
Jack's Fertilizer
$13.99Could your fruiting vine vegetables use a bit of encouragement? Jack’s Classic Veggie FeED is what they need!Key Product FeaturesPackaging May Vary – Our water-soluble Tomato FeED is now Veggie FeED...$13.99