Cannabis Maintenance & Control

Maintenance & Control

Whether you are trying to maintain a healthy pH, manage soilwater and pest issues, or just clean your tools to ensure accurate readings and prevent cross-contamination, we have a wide selection of maintenance and control solutions to help you.  

Learn more:
How do I adjust my pH? 
What is nutrient lockout and how can I prevent it? 

Back to Plant Nutrients

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  • Cyco: pH Down

    Cyco pH Down lowers the total pH value of the made nutrient solution. This product lowers nutrient pH. Recommended pH for most plants is 5.5 to 6.5. Highly concentrated -...
    From $14.95
  • GreenPlanet Nutrients: pH Down

    Pure and concentrated Green Planet Nutrients pH UP/DOWN is used in your reservoir to maintain the optimum pH levels in your nutrient mixture. pH levels effects the availability and absorption...
    From $19.99
  • Doktor Doom Spider Mite Knockout 500 Gram

    For use on ornamental plants, edible plants, trees, shrubs and evergreens, and can be used for many other indoor & outdoor uses.Kills bed bugs; for use on mattresses and bed...
    $19.99
  • General Hydroponics: pH Down

    To maximize plant growth, the pH level of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users...
    $19.99
  • Cyco: Calibration Solution pH 7.0 250ml

    The most common reasons for pH meter error is dry storage of the electrode and electrode contamination. These cause loss of accuracy, reduced performance and slower response times. Avoid placing...
    $9.95
  • General Hydroponics: FloraKleen

    Over time, every hydroponic, soil-based or coco coir system can develop fertilizer residue as a natural part of the growing process. This accumulation can result in excess salts that will...
    From $14.99
  • Cyco: pH UP

    Cyco pH Up raises the total pH value of the made nutrient solution. This product raises nutrient pH. Recommended pH for most plants is 5.5 to 6.5. Highly concentrated -...
    From $14.95
  • GreenPlanet Nutrients: pH Up

    Pure and concentrated Green Planet Nutrients pH UP/DOWN is used in your reservoir to maintain the optimum pH levels in your nutrient mixture. pH levels effects the availability and absorption...
    From $19.99
  • General Hydroponics: pH Up

    To maximize plant growth, the pH level of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users...
    $19.99
  • Cyco: Calibration Solution pH 4.0 250ml

    The most common reasons for pH meter error is dry storage of the electrode and electrode contamination. These cause loss of accuracy, reduced performance and slower response times. Avoid placing...
    $9.95
  • Safer's End All Miticide / Insecticide

    Controls all stages of aphids, white-fly, scale,spider mites, mealybugs, caterpillars, beetles, chinch bugs and other listed insects
    $19.99
  • General Hydroponics: Standard Reference Solution 7.00

    General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians...
    $32.99
  • General Hydroponics: Standard Reference Solution 4.01

    General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians...
    $32.99
  • Advanced Nutrients: Sensi Cal Mag Xtra

    You Wouldn’t Feed Your Dog… Fish Food? So Why Are You Feeding Your Special Plants Tomato Food?  If you’re using a generic cal-mag supplement, chances are you’re using a formulation...
    From $7.84
  • Cyco: Calibration Solution Ec Solution 250ml

    Conductivity Meter electrodes invariably become coated with inorganic or organic impurities. This causes a loss of accuracy. Conductivity (cF, mS) or TDS measurements are used to gauge the total concentration...
    $9.95
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