Conductivity Standard - 300ml

Holland Horticulture Verified independent store

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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 t hat it gives the correct reading when mixing nutrient solutions as too high, or too low, could have a detrimental effect on how plants grow and flower. When using Conductivity Standard for EC meter should read 2.76, if not, it will need to be calibrated. If you’re unsure on how to carry this out, check the meters instructions, or you can give us a call on 0800 038 7100 and we’ll advise. Alternatively, simply bring your meter in to any of our stores and we’ll check and adjust it free of charge. Available in 300ml and 1L bottles. Show more