• 500ml Grotek pH Buffer #4

    pH Calibration Solutions are available for all of your pH meters. Each solution is made with superior quality ingredients and is conveniently colour-coded for easy reference. Be sure your meters are accurate by calibrating with Grotek Solutions.... Read More
    $11.85 each
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  • 500ml Grotek pH Buffer #7

    pH Calibration Solutions are available for all of your pH meters. Each solution is made with superior quality ingredients and is conveniently colour-coded for easy reference. Be sure your meters are accurate by calibrating with Grotek Solutions.... Read More
    $11.85 each
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  • 1L Grotek pH Down

    pH Down will adjust your solution to the desired pH level. Add a few drops of pH Down to your solution tank to raise/lower the pH level in the tank. Our pH solution is concentrated so adjust slightly before adding your final nutrients. After adding the nutrient materials, test your solution to determine if the exact level has been reached. It may be necessary to add a few more drops to reach the desired level.... Read More
    $13.90 each
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  • 4L Grotek pH Down

    pH Down will adjust your solution to the desired pH level. Add a few drops of pH Down to your solution tank to raise/lower the pH level in the tank. Our pH solution is concentrated so adjust slightly before adding your final nutrients. After adding the nutrient materials, test your solution to determine if the exact level has been reached. It may be necessary to add a few more drops to reach the desired level.... Read More
    $36.80 each
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  • 10L Grotek pH Down

    pH Down will adjust your solution to the desired pH level. Add a few drops of pH Down to your solution tank to raise/lower the pH level in the tank. Our pH solution is concentrated so adjust slightly before adding your final nutrients. After adding the nutrient materials, test your solution to determine if the exact level has been reached. It may be necessary to add a few more drops to reach the desired level.... Read More
    $65.20 each
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  • 1L Grotek pH Up

    pH Up will adjust your solution to the desired pH level. Add a few drops of pH Up to your solution tank to raise/lower the pH level in the tank. Our pH solution is concentrated so adjust slightly before adding your final nutrients. After adding the nutrient materials, test your solution to determine if the exact level has been reached. It may be necessary to add a few more drops to reach the desired level.... Read More
    $13.90 each
    +
  • 4L Grotek pH Up

    pH Up will adjust your solution to the desired pH level. Add a few drops of pH Up to your solution tank to raise/lower the pH level in the tank. Our pH solution is concentrated so adjust slightly before adding your final nutrients. After adding the nutrient materials, test your solution to determine if the exact level has been reached. It may be necessary to add a few more drops to reach the desired level.... Read More
    $37.20 each
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  • 10L Grotek pH Up

    pH Up will adjust your solution to the desired pH level. Add a few drops of pH Up to your solution tank to raise/lower the pH level in the tank. Our pH solution is concentrated so adjust slightly before adding your final nutrients. After adding the nutrient materials, test your solution to determine if the exact level has been reached. It may be necessary to add a few more drops to reach the desired level.... Read More
    $62.00 each
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  • Green Gold TDS 1500 Calibration Solution

    Green Gold TDS 1500 Calibration Solution (500ml) Green Gold Solutions help keep your meters in good working order. Solutions are compatible with most testers and come in opaque bottle to prevent light from damaging the solutions.... Read More
    $9.98 each
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  • Green Gold TDS 1382 Calibration Solution

    Green Gold TDS 1382 Calibration Solution (500ml) Green Gold Solutions help keep your meters in good working order. Solutions are compatible with most testers and come in opaque bottle to prevent light from damaging the solutions.... Read More
    $9.98 each
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  • Z9 pH Stabilizer & Cleaning Agent (946ml)

    Z9 protects the roots and growing medium from microscopic particulate, mineral build up, and inanimate slimy conditions. Z9 helps to stabilize the pH swings caused by the interaction between plant nutrients, dead plant cells and chemical additives. Z9 cleaner: Keeps hydroponic pipes, tanks and soil drip watering systems free from inanimate slime and mineral buildup. Z9 compatibility: For use in soil growing and hydroponic systems. Z9 is compatible with any plant food (organic or... Read More
    $165.00 each
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  • Green Earth Dolomitic Lime Acid Neutralizer

    A natural soil conditioner used to neutralize acidic soils. Use on lawns, flower and vegetable gardens. Convenient granulated product is easy to apply.... Read More
    $8.45 each
  • HM pH/ORP Electrode Storage Solution

    For use with HM Digital’s PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet).... Read More
    $10.95 each
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  • Phosphoric Acid - pH down - 20L

    Phosphoric Acid: For all stages of growth Directions: Verify the pH before adding any solution. Add a few drops at a time, stir well and check the pH again. Repeat until the required pH is reached. For best result, check the pH daily.  ATTENTION KEEP OUT OF THE REACH OF CHILDREN.  WARNING This product is corrosive and toxic. Can cause burns or irritations.  PRECAUTIONS Avoid contact with skin. Use this product only in a well ventilated area and wear protective gear.  DO NOT INHALE OR... Read More
    $78.00 each
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  • Grotek TDS 1000 Calibration Solution

    Contains 500ml. TDS Calibration Solutions are available for all of your TDS meters. Each solution is made with superior quality ingredients and is conveniently colour-coded for easy reference. Be sure your meters are accurate by calibrating with Grotek Solutions. Directions for Use: If using a TDS meter without temperature compensation, the calibration solution should be room temperature: approximately 23°C - 27°C. Place TDS meter probe in the calibration solution. After the reading... Read More
    $9.70 each
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  • Grotek TDS 1400 Calibration Solution

    Contains 500ml. TDS Calibration Solutions are available for all of your TDS meters. Each solution is made with superior quality ingredients and is conveniently colour-coded for easy reference. Be sure your meters are accurate by calibrating with Grotek Solutions. Directions for Use: If using a TDS meter without temperature compensation, the calibration solution should be room temperature: approximately 23°C - 27°C. Place TDS meter probe in the calibration solution. After the reading... Read More
    $9.70 each
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