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        • Botanicare Cal-Mag Plus 2-0-0 - 1 gallon jug

          Botanicare Cal-Mag Plus 2-0-0 | 3.2% Ca, 1.2% Mg, 0.1% Fe

          Botanicare Cal-Mag Plus 2-0-0 | 3.2% Ca, 1.2% Mg, 0.1% Fe

          Regular price From $16.52 USD
          Regular price Sale price From $16.52 USD
          Unit price /  per 
        • Advanced Nutrients  Sensi Cal-Mag Xtra  1L

          Advanced Nutrients Sensi Cal-Mag Xtra

          Advanced Nutrients Sensi Cal-Mag Xtra

          Regular price From $16.10 USD
          Regular price $15.85 USD Sale price From $16.10 USD
          Unit price /  per 
        • Advanced Nutrients  Sensi Cal-Mag Xtra  10L

          Advanced Nutrients - Sensi Cal-Mag Xtra - 10L

          Advanced Nutrients - Sensi Cal-Mag Xtra - 10L

          Regular price $102.47 USD
          Regular price Sale price $102.47 USD
          Unit price /  per 
        • CALiMAGic 1-0-0 1 quart

          General Hydroponics - CALiMAGic 1-0-0

          General Hydroponics - CALiMAGic 1-0-0

          Regular price From $18.67 USD
          Regular price Sale price From $18.67 USD
          Unit price /  per 
        • Ventana Plant Science  Support main image

          Ventana Plant Science - Support 4-0-0 (Cal-Mag + Secondary Macros)

          Ventana Plant Science - Support 4-0-0 (Cal-Mag + Secondary Macros)

          Regular price From $20.00 USD
          Regular price $20.00 USD Sale price From $20.00 USD
          Unit price /  per 
        • Botanicare Cal-Mag Plus 250 Gallon

          Botanicare Cal-Mag Plus 250 Gallon

          Botanicare Cal-Mag Plus 250 Gallon

          Regular price $5,915.25 USD
          Regular price Sale price $5,915.25 USD
          Unit price /  per 
        • Botanicare Cal-Mag Plus 55 Gallon main image

          Botanicare Cal-Mag Plus 55 Gallon

          Botanicare Cal-Mag Plus 55 Gallon

          Regular price $1,316.26 USD
          Regular price Sale price $1,316.26 USD
          Unit price /  per 
        • Jack's Professional LX Cal-Mag 15-5-15 25 lb bag

          Jack's Professional LX 15-5-15 Fertilizer with Cal-Mag - 25 lb, 4% Ca, 2% Mg

          Jack's Professional LX 15-5-15 Fertilizer with Cal-Mag - 25 lb, 4% Ca, 2% Mg

          Regular price $58.95 USD
          Regular price Sale price $58.95 USD
          Unit price /  per 
        • RAW Calcium/Mag 9 - 0 - 0 -- 2 oz

          RAW Calcium/Mag 9-0-0 - 2 lb

          RAW Calcium/Mag 9-0-0 - 2 lb

          Regular price $85.69 USD
          Regular price Sale price $85.69 USD
          Unit price /  per 
        • Elite 91 Cal Mag professional plant additive, 1 litre bottle

          Elite 91 - CALMAG - Professional Growth Enhancer

          Elite 91 - CALMAG - Professional Growth Enhancer

          Regular price From $50.67 USD
          Regular price Sale price From $50.67 USD
          Unit price /  per 
        • RAW Calcium/Mag 9-0-0

          RAW Calcium/Mag 9-0-0 - 8 oz

          RAW Calcium/Mag 9-0-0 - 8 oz

          Regular price $22.64 USD
          Regular price Sale price $22.64 USD
          Unit price /  per 
        • Key To Life - Cal[NO]Mag 8-0-0

          Key to Life Cal[NO]Mag 8-0-0 Amino Acid Calcium Soluble Powder, 4 lb and 20 lb

          Key to Life Cal[NO]Mag 8-0-0 Amino Acid Calcium Soluble Powder, 4 lb and 20 lb

          Regular price From $205.95 USD
          Regular price $205.95 USD Sale price From $205.95 USD
          Unit price /  per 
        • RAW Calcium/Mag 9 - 0 - 0 -- 2 oz

          RAW Calcium/Mag 9 - 0 - 0 -- 2 oz

          RAW Calcium/Mag 9 - 0 - 0 -- 2 oz

          Regular price $8.08 USD
          Regular price Sale price $8.08 USD
          Unit price /  per 
        • Technaflora MagiCal 2 - 0 - 0

          Technaflora MagiCal 2-0-0 Calcium Magnesium Supplement

          Technaflora MagiCal 2-0-0 Calcium Magnesium Supplement

          Regular price From $60.49 USD
          Regular price Sale price From $60.49 USD
          Unit price /  per 
        • Sensational Solutions CaFe Mag calcium iron magnesium supplement, 1 lb teal pouch

          Sensational Solutions - CaFe Mag - 1 lbs

          Sensational Solutions - CaFe Mag - 1 lbs

          Regular price $15.00 USD
          Regular price Sale price $15.00 USD
          Unit price /  per 
        • Athena Blended - CaMg (2-0-0) - 55 Gallon Main Image

          Athena Blended - CaMg (2-0-0)

          Athena Blended - CaMg (2-0-0)

          Regular price From $31.50 USD
          Regular price $31.50 USD Sale price From $31.50 USD
          Unit price /  per 
        • Sensational Solutions CaFe Mag calcium iron magnesium supplement, 25 lb white pail

          Sensational Solutions - CaFe Mag - 25 lbs

          Sensational Solutions - CaFe Mag - 25 lbs

          Regular price $291.67 USD
          Regular price Sale price $291.67 USD
          Unit price /  per 
        • Elemental - Roots Organics

          Elemental - Roots Organics

          Elemental - Roots Organics

          Regular price $23.38 USD
          Regular price Sale price $23.38 USD
          Unit price /  per 
        • Cultured Solutions Coco Cal 55 GAL main image

          Cultured Solutions Coco Cal 55 GAL

          Cultured Solutions Coco Cal 55 GAL

          Regular price $705.38 USD
          Regular price $705.38 USD Sale price $705.38 USD
          Unit price /  per 
        • Ventana Plant Science - Commercial Kit (Bloom - Calcium Nitrate - Magnesium Sulfate) - 5lb

          Ventana Plant Science - Commercial Kit (Bloom - Calcium Nitrate - Magnesium Sulfate) - 5lb

          Ventana Plant Science - Commercial Kit (Bloom - Calcium Nitrate - Magnesium Sulfate) - 5lb

          Regular price $66.75 USD
          Regular price Sale price $66.75 USD
          Unit price /  per 
        • Advanced Nutrients Revive plant rescue supplement 1 litre bottle

          Advanced Nutrients Revive 1-0-0 | Calcium, Magnesium and Iron Rescue

          Advanced Nutrients Revive 1-0-0 | Calcium, Magnesium and Iron Rescue

          Regular price From $31.83 USD
          Regular price $31.31 USD Sale price From $31.83 USD
          Unit price /  per 
        • Sensational Solutions CaFe Mag calcium iron magnesium supplement, 5 lb kraft pouch

          Sensational Solutions - CaFe Mag - 5 lbs

          Sensational Solutions - CaFe Mag - 5 lbs

          Regular price $61.67 USD
          Regular price Sale price $61.67 USD
          Unit price /  per 
        • Nutrient Buyers Guide: How To Choose The Right Nutrient For Your Hydroponics or Indoor Garden

          Nutrient Buyers Guide: How To Choose The Right ...

          January 20, 2021
          Blog

          Nutrient Buyers Guide: How To Choose The Right ...

          January 20, 2021
          Blog
        • Hydroponic Growing with Silica - A Comprehensive Guide

          Hydroponic Growing with Silica - A Comprehensiv...

          May 7, 2023
          Blog

          Hydroponic Growing with Silica - A Comprehensiv...

          May 7, 2023
          Blog
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        GrowersHouse Ag Solutions offers the largest selection of hydroponic equipment for professionals and large scale commercial operations. On our website, on the phone, or in our commercial service center and will-call pickup locations, GrowersHouse stays true to its mission of making growers more successful.

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