Our range of pH Adjusters & Test Kits give you everything you need to perfect your nutrient solution, with buffers, pH up/down and pH test kits.

Our range of pH Adjusters & Test Kits give you everything you need to perfect your nutrient solution, with buffers, pH up/down and pH test kits.

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  • Growth Technology PH Down Growth Technology PH Down

    Plants in any hydroponic system can only uptake nutrients within the range of 5.5 – 6 pH. If pH levels exceeds this range, certain nutrients will be sealed out, progressing...
    Plants in any hydroponic system can only uptake nutrients within the range of 5.5 – 6 pH. If pH levels exceeds this range, certain nutrients will be sealed out, progressing...
    From £4.00
  • Growth Technology - Ph Up Growth Technology - Ph Up

    Plants in any hydroponic system can only uptake nutrients within the range of 5.5 – 6 pH. If pH levels exceeds this range, certain nutrients will be sealed out, progressing...
    Plants in any hydroponic system can only uptake nutrients within the range of 5.5 – 6 pH. If pH levels exceeds this range, certain nutrients will be sealed out, progressing...
    From £4.00
  • Growth Technology - pH Buffer 7 Growth Technology - pH Buffer 7

    Use to calibrate pH meters pH buffer 7 is a solution of a known and fixed pH. It is used to calibrate pH meters. This should be done on a...
    Use to calibrate pH meters pH buffer 7 is a solution of a known and fixed pH. It is used to calibrate pH meters. This should be done on a...
    From £3.50
  • Growth Technology - pH Buffer 4 Growth Technology - pH Buffer 4

    Use to calibrate pH meters Available in pH 4, and pH 7 pH buffer is a solution of a known and fixed pH. It is used to calibrate pH meters....
    Use to calibrate pH meters Available in pH 4, and pH 7 pH buffer is a solution of a known and fixed pH. It is used to calibrate pH meters....
    From £3.50
  • Growth Technology - Conductivity Standard Growth Technology - Conductivity Standard

    Conductivity Standard by Growth Technology has electrical conductivity (EC) of 2.76 ms/cm, ensuring that your EC/CF meter is calibrated and gives the correct reading when mixing nutrient solutions as too...
    Conductivity Standard by Growth Technology has electrical conductivity (EC) of 2.76 ms/cm, ensuring that your EC/CF meter is calibrated and gives the correct reading when mixing nutrient solutions as too...
    £3.50
  • pH Probe Refill & Storage Solution pH Probe Refill & Storage Solution

    The probe found on pH meters is a very sensitive instrument and can easily become damaged if not looked after correctly. In order for it to continue working reliably it...
    The probe found on pH meters is a very sensitive instrument and can easily become damaged if not looked after correctly. In order for it to continue working reliably it...
    £5.50
  • BioBizz Bio pH- BioBizz Bio pH-

    BioBizz pH- is a water-based product made from citric acid, designed for use with every watering. The natural composition of pH- enables fast adjustment of pH for any type of...
    BioBizz pH- is a water-based product made from citric acid, designed for use with every watering. The natural composition of pH- enables fast adjustment of pH for any type of...
    From £9.25
  • BioBizz Bio pH+ BioBizz Bio pH+

    BioBizz pH+ is a water based, humic acid formula, designed for use with every watering. The natural composition of pH+ enables fast adjustment of pH for any type of substrate...
    BioBizz pH+ is a water based, humic acid formula, designed for use with every watering. The natural composition of pH+ enables fast adjustment of pH for any type of substrate...
    From £9.25
  • Bluelab PH Pen Bluelab PH Pen

    The Blue lab pH Pen is the latest innovation for hand-held meters. It provides a compact, quick and handy way to manage the success of crops, to ensure maximum uptake...
    The Blue lab pH Pen is the latest innovation for hand-held meters. It provides a compact, quick and handy way to manage the success of crops, to ensure maximum uptake...
    £70.00
  • Dutch Pro - Ph Down Grow 1L Dutch Pro - Ph Down Grow 1L

    Dutch Pro pH Down Grow lowers the pH level of your nutrient solution. The product is made for use only during the vegetative stage because it contains increased levels of...
    Dutch Pro pH Down Grow lowers the pH level of your nutrient solution. The product is made for use only during the vegetative stage because it contains increased levels of...
    £5.95
  • Dutch Pro - Ph Down Bloom Dutch Pro - Ph Down Bloom

    Dutch Pro pH Down Bloom is specifically designed to adjust the pH-level during the flowering stage of your plant’s life cycle
    Dutch Pro pH Down Bloom is specifically designed to adjust the pH-level during the flowering stage of your plant’s life cycle
    £5.95
  • Dutch Pro - Ph Up 1L Dutch Pro - Ph Up 1L

    Dutch Pro pH Up is a top-quality and highly concentrated formula made to raise the pH of your nutrient mix to the optimum level. It is suitable for use in...
    Dutch Pro pH Up is a top-quality and highly concentrated formula made to raise the pH of your nutrient mix to the optimum level. It is suitable for use in...
    £5.95
  • Canna - Ph Down Pro (Bloom) Canna - Ph Down Pro (Bloom)

    CANNA pH- Bloom Pro allows you to maintain the right pH value to ensure that your plants absorb nutrients. The product is an additive made for the flowering stage. CANNA...
    CANNA pH- Bloom Pro allows you to maintain the right pH value to ensure that your plants absorb nutrients. The product is an additive made for the flowering stage. CANNA...
    £13.00
  • Canna -Ph Pro Up 1L Canna -Ph Pro Up 1L

    pH Up Pro is made to adjust the pH's value up. The additive is made for both the vegetative and flowering stage. CANNA delivers two pH+ Pro solutions: - a...
    pH Up Pro is made to adjust the pH's value up. The additive is made for both the vegetative and flowering stage. CANNA delivers two pH+ Pro solutions: - a...
    £12.00
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