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- General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment ComboOpens in a new window or tabBrand New$22.88Free shippingFree returns6,244 soldTop Rated Plusthshydro (73,265) 99.5%
- General Hydroponics (GH) pH Control KitOpens in a new window or tabBrand New$23.99Free shippingAlmost gone140 soldvalleyhydroponics (18,891) 98.7%
- General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo FASTOpens in a new window or tabBrand New$22.89Free shippingFree returns449 soldTop Rated Plusgf_agriculture (45,523) 99.7%
- General Hydroponics (GH) pH Control KitOpens in a new window or tabBrand New$14.95+$8.85 shippingFree returnsTop Rated Plus9ballwingnewt (967) 99.6%
- New ListingGeneral Hydroponics pH Control Kit for a Balanced Nutrient SolutionOpens in a new window or tabBrand New$25.33Free shippingremote-control-trade (96) 97.1%
- General Hydroponics (GH) pH Control KitOpens in a new window or tabBrand New$22.00Free shippingmassautoparts (1,760) 98.8%
- General Hydroponics (GH) pH Control Kit NewOpens in a new window or tabBrand New$16.99+$7.80 shippingplantedearthhydro (249) 98.7%
- General Hydroponics (GH) pH Control KitOpens in a new window or tabBrand New$18.99+$10.80 shippinghighcrown (810) 100%
- General Hydroponics Armor Si Plant Growth Enhancement, QuartOpens in a new window or tabBrand New$24.95Free shippingtdsupplycorp (958) 98.6%
- GenHydro Ph Kit Up Down Solution Test Hydroponic Soil Plant Water AquariumOpens in a new window or tabBrand New$40.79+$20.05 shippingFree returnsTop Rated Plusdustforgot (355) 100%
- Ph Control Kit Up Down Solution Test For Hydroponic Soil Plant Water AquariumOpens in a new window or tabBrand New$33.99+$4.99 shippingLast one22 soldreserb-3 (287) 97.7%
- General Hydroponics 722080 pH Control Kit With An Electric Water TesterOpens in a new window or tabBrand New$55.00+$11.70 shippingwywy1 (509) 99.4%
- General Hydroponics (GH) pH Control KitOpens in a new window or tabBrand New$13.99+$10.80 shippingficusit (2,169) 100%
- SEALED GENERAL HYDROPONICS 'BALANCED NUTRIENT SOLUTION' pH CONTROL KIT - 8ozOpens in a new window or tabBrand New$39.97Was: $79.9550% off+$16.40 shippingthedesignerrack (38,381) 99.6%
- Free Shipping! General Hydroponics (GH) pH Control Kit 2 Pack!!Opens in a new window or tabBrand New$40.00+$8.60 shippinggafflezzz (117) 100%
- GH pH Control Kit (12/Cs)Opens in a new window or tabBrand New$25.00+$14.50 shippingSave up to 20% when you buy morenugib63 (161) 100%
- Ph Control Kit Up Down Solution Test For Hydroponic Soil Plant Water AquariumOpens in a new window or tabBrand New$25.55Free shippingtek-n-stuff (250) 98.9%
- General Hydroponics 722080 pH Control KitOpens in a new window or tabBrand New$22.90+$8.45 shippinggood_joke (301) 100%
- General Hydroponics pH Control Kit For A Balanced Nutrient SolutionOpens in a new window or tabBrand New$27.28Free shippingshopped (23,326) 98%
- General Hydroponics (GH) pH Control KitOpens in a new window or tabBrand New$23.19Free shippingnbnbrother (83) 98.6%
- General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo FASTOpens in a new window or tabBrand New$12.89+$18.05 shippingeat_sleep_auction (57) 100%
- General Hydroponics (GH) pH Control Kit0--Lot of 2Opens in a new window or tabBrand New$39.00Free shippingtinflowe (118) 95.2%
- New ListingGeneral Hydroponics pH Control Kit for a Balanced Nutrient SolutionOpens in a new window or tabBrand New$25.33Free shippingmo-trade-1 (150) 100%
- New ListingGeneral Hydroponics pH Control Kit for a Balanced Nutrient SolutionOpens in a new window or tabBrand New$25.33Free shippingegy-trade10 (88) 96.8%
- New ListingGeneral Hydroponics pH Control Kit for a Balanced Nutrient SolutionOpens in a new window or tabBrand New$25.33Free shippingegy-books (183) 97.4%
- General Hydroponics pH Control Kit for a Balanced Nutrient SolutionOpens in a new window or tabBrand New$24.51Free shippingegy-book (221) 99.6%
- GH pH Control Kit (12/Cs)Opens in a new window or tabBrand New$24.99Free shippingtdsupplycorp (958) 98.6%
- General Hydroponics FloraNectar FruitnFusion 0-0-1 - Natural Sweetener forOpens in a new window or tabBrand New$139.95Free shippingtdsupplycorp (958) 98.6%