Nutrients, Supplements & pH Control for Hydroponics
Best Selling
Gaia Green GAGWC2L Worm Casting - 2L$19.95 New
12,328 Results
Hydroponics pH Control Kit with pH Up and pH Down Solutions & pH Indicator
$16.90 to $29.90Free shippingGeneral Hydroponics pH Down Liquid, 1-Gallon
$29.24981 soldRoots Excelurator House and Garden Gold 1L one liter 1 liter bottle
$112.00Free shippingGeneral Hydroponics FloraGro, 1-Gallon
$34.70252 soldFox Farm Soil Trio Nutrients Bundle, Big Bloom, Grow Big, Tiger Bloom Pint 16oz
$37.98Free shipping5,132 soldBotanicare Cal Mag Plus 32 oz / 1 Quart - magnesium nutrient additive cal-mag qt
$22.18Free shipping2,558 soldGeneral Hydroponics Flora Series FloraGro FloraBloom FloraMicro 16 oz pint - gh
$32.90Free shipping1,806 soldAdvanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter
$38.89Free shipping1,410 soldBotanicare Cal-Mag Plus Supplement - 1 qt
$22.49Free shippingXtreme Gardening Mykos Pure Mycorrhizal 2.2 lb - Mycorrhizae Beneficial Root
$27.95Free shipping182 soldAdvanced Nutrients Sensi Bloom A & B Combo - pH Perfect 1L 4L 10L 23L
$35.99 to $414.99Free shipping723 soldXtreme Gardening Mykos Pure Mycorrhizal 100G Grams - mycorrhizae root
$8.95Free shipping1,609 soldMASTERBLEND Official 4-18-38 Tomato & Vegetable Fertilizer BULK
$13.99 to $24.99Free shipping322 soldThe CO2 Breath Bag -Premium CO2 Grow Bag-Premixed Ready Bag for Grow Rooms/Tents
$33.99Trending at $57.99Free shippingPower Si Bloom Orginal Silica Silicic Acid 5 Liter New Sealed.
$100.0019 bids$15.31 shippingEnding May 12 at 3:53AM PDT10h 26mNitro-Surf Nitrogen and Surfactant Mix - 2.5 Gallon by Drexel
$74.95Free shippingMASTERBLEND ® Official 4-18-38 Tomato & Vegetable Fertilizer BULK (SHIPS FREE)
$13.25 to $89.50Free shippingCrab Meal - Organic Crab Meal Fertilizer (Crab Shell) in BULK (5 pounds)
$17.95Free shippingAdvanced Nutrients Nirvana 1 Liter -organic bloom boost plant growth enhancer 1L
$26.99Free shipping435 soldGH General Hydroponics pH Up and pH Down 1 Quart Combo Kit Water Adjuster Buffer
$26.49Free shipping1,195 soldGeneral Hydroponics Rapid Rooter Replacement Plugs 50 Count -gh cloning seed
$22.89Free shipping3,104 soldPlant Success Great White 1oz - Mycorrhizae Trichoderma Beneficial Bacteria
$13.88Free shipping251 soldAdvanced Nutrients BIG BUD 250mL 500mL 1L 4L Bloom Booster Heavy Yield Enhancer
$16.95 to $103.25Free shipping539 soldFoxFarm Big Bloom Organic Liquid Nutrient Plant Fertilizer, 32oz (1 Bottle)
$22.99Free shipping472 soldGeneral Hydroponics pH Down Liquid, 1-Quart
$16.40963 soldFox Farm Soil Trio Nutrients Bundle, Big Bloom, Grow Big, Tiger Bloom Quart 32oz
$58.95Free shipping5,452 soldFEMAJUANA - (2) Pack 8 oz Spray Bottle - Seed Feminization FREE SHIPPING!
Seed Feminization Spray - 100% Female plants - 16 oz$44.95Free shipping228 soldGeneral Hydroponics pH Up Liquid, 1-Gallon
$29.24604 soldGreat White Mycorrhizae, 4 Ozs
$27.99Free shippingTerpinator Quart - Free Shipping
$19.95Free shipping15 watchingPlant Success Great White 4 oz ounce mycorrhizae beneficial bacteria root grow
$29.49Free shipping586 soldFox Farm Big Bloom 1 Quart 32oz 1 Gallon 2.5G 5G - organic nutrients hydroponics
$18.49 to $289.99Free shipping2,049 soldFox Farm Grow Big Soil 1 Quart, 32oz, 1 Gallon -qt nutrients foxfarm hydroponics
$17.49 to $299.99Free shipping1,041 soldAdvanced Nutrients Rhino Skin -Potassium Silicate Supplement Plant Enhancer
$12.95 to $339.99Free shipping406 soldXtreme Gardening Mykos Organic Root Enhancer
$21.99 to $29.99Free shippingBud Factor X Advanced Nutrients 1oz 30ml bottle sample tester 2024 New Batch
$18.89Free shippingGeneral Hydroponics CALiMAGic, 1-Quart
$19.56606 soldClonex Clone Solution - VARIOUS SIZES- cloning seedlings, plants, rose, flowers
$8.50 to $195.95Free shipping89 soldAdvanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base 500 ml
$29.89Free shipping779 soldEPSOM SALT (Magnesium Sulfate) Agricultural Fertilizer Grade - BULK
$7.95 to $38.95Free shipping290 soldFox Farm Big Bloom 1 Quart 32 oz organic nutrients hydroponics
$21.47Free shipping3,213 soldBarley Seeds 🔥 Bulk 5-10 # Sprouting-Juicing-Malt-Brewing-Beer Making NONGMO
$15.99 to $24.95Free shippingMASTERBLEND Official 4-18-38 Tomato & Vegetable Fertilizer (5 Pounds)
$24.99Free shipping154 soldFox Farm Tiger Bloom 1 Quart 32 Oz - foxfarm nutrients hydroponics
$23.08Free shipping1,581 soldDown to Earth Organic Bat Guano Fertilizer Mix 7-3-1, 0.25 lb
$11.43Trending at $11.96Free shippingGeneral Hydroponics FloraBloom 1 Gallon - flora bloom gro micro series GH
$36.99Free shipping1,011 soldFox Farm Tiger Bloom 1 Quart, 1 Gallon, 2.5G, 5G - foxfarm nutrients hydroponics
$17.89 to $294.99Free shipping536 soldCO2 BAG XL 5LB CARBON DIOXIDE PRODUCER SUPER FRESH MADE TO ORDER
$28.99Free shippingAdvanced Nutrients Voodoo Juice 250ml - beneficial bacteria root booster
$21.99Free shipping788 soldFox Farm Instant Grow Big 1 Pint Liquid Plant Food Vegetative Growth Foxfarm
$16.89Free shipping664 soldAdvanced Nutrients Big Bud Liquid 500 ml and 1 Liter Bloom Booster Enhancer
$22.00 to $30.00Free shipping57 soldAdvanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter
$38.89Free shipping569 soldBotanicare Cal Mag Plus Supplement for Plants 8 Ounce Container
$10.35Was: $10.89Free shippingpH Test Drops pH Reagent Kit Alkaline Water Tester Drinking Water Test - 2pk
$14.95Free shippingDYNOMYCO Mycorrhizal 100g./3.5oz - Expiration Date 7/3/2023
$15.20Trending at $18.95Free shippingAdvanced Nutrients OVERDRIVE 250mL 500mL 1L 4L Bloom Flower Enhancer Booster
$16.99 to $110.25Free shipping19 sold
Top Rated
- General Hydroponics 722125 pH Down Liquid Fertilizer - 1 Gallon95% agree - Would recommend$29.23 New
- MasterBlend 4-18-38 Tomato & Vegetable Fertilizer 5 Pound Formula92% agree - Would recommend$13.99 New
