Grow More pH Down 30% -- 1 GallonConvenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Down to lower pH of nutrient solution with phosphoric acid.Only $31.95 |
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Grow More pH Up 30% -- 1 GallonConvenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Up to raise pH of nutrient solution with potassium hydroxide.Only $31.95 |
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AzaSol Container 6 oz - Neem Based Water Soluble PowderBroad Spectrum insect control derived from the Botanical Plant Neem. This patented product, is the only Neem based insecticide that is a 100% Water Soluble Powder. AzaSolâ„¢ is an Anti-feedant, Repellent and Insect Growth Regulator. It can be used...Only $399.95 |
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Hormex Concentrate -- QuartA vitamin, hormone concentrate and root growth stimulant. Hormex® prevents transplant shock by stimulating growth of the small feeder roots, which become damaged during transplanting. Not registered for sale in OR at this time.Only $26.95 |
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AzaSol Container Neem Based Water Soluble Powder - Single Pack .75 ozBroad Spectrum insect control derived from the Botanical Plant Neem. This patented product, is the only Neem based insecticide that is a 100% Water Soluble Powder. AzaSolâ„¢ is an Anti-feedant, Repellent and Insect Growth Regulator. It can be used...Only $54.95 |
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Maxicrop Liquid Fish 5-1-1 -- QuartFor trees, flowers, lawns, fruits and vegetables. Natural product made from fresh Atlantic fish. Can be used for cuttings and rootings, outdoor plants, foliar feed, lawns, compost enhancer.Only $11.95 |
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Mexican Feather GrassMexican Feather Grass, Nassella tenuissima', is a beautiful mounded ornamental grass.Its needle-like flexible leaves form dense, bright green clumps.The flowers are silky awns that appear in June and change from green to gold as they mature.It has...Only $0.00 |
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Botanicare Sweet Citrus -- QuartSweet all natural mineral supplement contains a unique combination of organic compounds and essential elements directly involved in plant photosynthesis and respiration. Sweet provides stress free transitions and hearty, fruitful crops.Only $28.95 |
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Botanicare Sweet Raw -- QuartSweet all natural mineral supplement contains a unique combination of organic compounds and essential elements directly involved in plant photosynthesis and respiration. Sweet provides stress free transitions and hearty, fruitful crops.Only $24.95 |
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Dutch Master Gold Reverse *DISCONTINUED*Dutch Master Reverse is currently unavailable and Growers House recommends Optic Foliar Switch Reverse as an alternative. Dutch Master Reverse uses Phospholipids that have been shown to stop male flower maturity. Dutch Master Reverse is engineered in...Only $22.95 |
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Dutch Master Gold Reverse -- LiterDutch Master Reverse is currently unavailable and Growers House recommends Optic Foliar Switch Reverse as an alternative. Dutch Master Reverse uses Phospholipids that have been shown to stop male flower maturity. Dutch Master Reverse is engineered in...Only $22.95 |
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Take Down Garden Spray Concentrate -- PintUse Monterey Take Down Spray to control a wide variety of garden pests from aphids and whitefly to caterpillars and scale. Monterey Take Down Spray is a useful pyrethrin based spray for the home gardener. This product is safe to use on fruits and vegetables...Only $15.95 |
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Hanna Calibration Solution pH 4.01 -- 20 mlHANNA® packet solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards. The 20 mL sachets are single-dose and are ready to use. Sold in case quantities only.Only $1.32 |
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Hanna Calibration Solution pH 7.01 -- 20 mlHANNA® packet solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards. The 20 mL sachets are single-dose and are ready to use. Sold in case quantities only.Only $1.32 |
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Hanna Calibration Solution pH 10.01 -- 20 mlHANNA® packet solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards. The 20 mL sachets are single-dose and are ready to use. Sold in case quantities only.Only $1.32 |
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Gold Label Nutrients - GoldzymeGold Label Enzyme is a professional highly concentrated enzyme additive based on natural enzymes. Enzymes are natural process catalysts. Gold Label Enzyme contains enzymes that break down dead root material into nutrients that will benefit your plants...Only $52.75 |
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Seaplex -- 1 QuartSeaplexâ„¢ is a cold processed seaweed for foliar spraying, soil and soilless container gardens and hydroponic systems. This natural and organic supplement is packed with amino acids, enzymes, micronutrients and soil biology that encourage vigorous...Only $21.95 |
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B'Cuzz Bloom 0 - 0 - 0.7 -- QuartEspecially for the plant’s blooming phase. B’Cuzz® Bloom encourages flower cell production and increases the manufacture and transport of sugar molecules in the flowers. This will lead to big, dense flowers and great taste. In this way,...Only $49.99 |