Price Match -We Will Beat Any Price* 
FREE Delivery on orders over £65
Plain Packaging Used For All Deliveries 
Conductivity Standard - 300ml
In stock online
Free Delivery - orders +£65
Plain Packaging Used
Click and Collect
Similar Products
Description
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 that 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.
Delivery & Returns
Free Delivery
We are pleased to offer free standard shipping to UK Mainland on all orders over £65.00 *Heavy item surcharges are still applicable.
Next Day Delivery
In a hurry for your order? Order before 1 pm Mon - Thurs for next working day delivery *subject to stock availability T&C's apply.
Different delivery address?
Do your goods need shipping to an alternative address? If so, paying by bank transfer gives you the freedom to have them delivered to anywhere in the UK.
Free Returns
Faulty or damaged item? No problem, contact us on 0800 038 7100 or email customer service and we can arrange a free collection.
Plain Packaging
All parcels, no matter how big or small, are dispatched in plain packaging using black wrap that's secured using 'fragile' tape.
How to Pay
Credit / Debit Cards
We accept all major credit and debit cards. Please note: When paying by credit card we can only ship to the card statement address.
Paypal
Simply select this option at checkout if you prefer to pay through PayPal. Please note: When paying by PayPal, we can only ship items to the account owners confirmed address.
Bank Transfer
Select the option for Bank Transfer at checkout if you wish to receive your item anywhere within the UK. Please use your order number as payment reference.
Klarna
Split your purchase into manageable payments. Buy now and pay in 30 days or in three interest-free instalments with Klarna.
Click & Collect
Collect your online orders in as little as under an hour*! Simply pay online, choose your store & collect for free! Available from Manchester & Huddersfield (*subject to stock availability).
FAQs