Additives

Additives

  • Alchemist PH Down 1Qt.

    $13.95
    Alchemist pH Down is comprised of very pure, food safe ingredients. This unique buffer is non-toxic, non-corrosive and non-hazardous making it like no other pH buffer on the market. Alchemist pH Down Non-Corrosive will not increase the conductivity of...
  • Alchemist PH Up 1 Qt.

    $13.95
    Alchemist pH Up is comprised of very pure, food safe ingredients. This unique buffer is non-toxic, non-caustic and non-hazardous making it like no other pH buffers on the market. Alchemist pH Up Non-Caustic will not increase the conductivity of your...
  • Cal-Mag Plus, 1 gal

    $48.50
    A custom-designed, highly-beneficial calcium, magnesium, iron, and trace mineral plant nutrient supplement that helps with calcium, magnesium, and iron deficiencies in nutrient fertilizer programs.
  • Cal-Mag Plus, 1 qt

    $19.50
    A custom-designed, highly-beneficial calcium, magnesium, iron, and trace mineral plant nutrient supplement that helps with calcium, magnesium, and iron deficiencies in nutrient fertilizer programs. 
  • CES PH Down 1 Quart

    $10.76
    Concentrated pH adjustment liquid, acidic buffer lowers water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note beginning reading and then test pH. Repeat...
  • CES PH UP 1 Qt.

    $10.76
    Concentrated pH adjustment liquid, alkaline buffer raises water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note beginning reading and then test pH. Repeat small...
  • Coco-Wet 8 oz

    $5.00
    Add Coco-Wet® to any Spray-N-Grow® nutrient. Helps for better nutrient uptake. Coco-Wet® is compatible with all foliar nutrients.
  • Compost Starter 4 Lb Bag

    $14.95
    Espoma Compost Starter is the ideal choice to help make rich, fertile compost—nature's original soil conditioner. Espoma Organic Compost Starter is formulated to accelerate the process of home composting materials including manure, grass, leaves...
  • Cornucopia Bloom 1 Gal.

    MSRP: $40.00
    $20.00
    For flowering plants, apply at first sign of budding. Enriched with organic energy metabolites to enhance blooming, formulated to provide plant ready nitrogen soil and soil-less growing media. Contains no urea. Plants burst with color, flowers are more...
  • Cornucopia Plant Energy 1 Qt

    MSRP: $14.99
    $7.00
    The relationship between acid metabolism, carbon dioxide fixation and ion uptake by roots runs parallel with total photosynthetic assimulation.Cornucopia Plus™ Necessary Plant Energy energizes plant metabolism and maximizes plant production...
  • Dyna- Gro Mag-Pro 8 oz

    MSRP: $9.99
    $2.00
    Mag-Pro®  2-15-4  is a concentrated blossom booster designed to help plants initiate flowering and develop large, vibrant, aromatic blooms. Mag-Pro provides high levels of phosphorus, magnesium, and sulfur, to pack on enormous...
  • EZ-Clone Clear Rez 16 oz

    $19.95
        KEEP IT CLEAR WITH CLEAR REZ EZ-CLONE Clear Rez is a pH balanced, noninvasive water treatment designed to keep all of the internal workings of your cloning system crystal clear and operating at peak performance. It is designed to be...
  • GH Armor Si, 1 qt

    $15.80
    Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers...
  • GH CALiMAGic, 1 gal

    $40.50
    CALiMAGicTM is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. CALiMAGic helps optimize plant nutrition and enhances plant growth and...
  • GH CALiMAGic, 1 qt

    $16.20
    CALiMAGicTM is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. CALiMAGic helps optimize plant nutrition and enhances plant growth and...