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Greens Horticulture - Serving Growers All Over The UK

Hanna Calibration/Buffer Solutions

Regular price £8.96 £9.95 | Save £0.99 (9% off)
Tax included. Shipping calculated at checkout.
In Stock
SKU: 4325
Spend £50.00 more for free delivery (shipping surcharges still apply)

Hanna Calibration/Buffer Solutions

1.413ms/cm / 120ml - £8.96
  • 1.413ms/cm / 120ml - £8.96
  • 1.413ms/cm / 230ml - £18.86
  • 5ms/cm / 120ml
  • 5ms/cm / 230ml
  • Quick Cal Solution / 120ml
  • Quick Cal Solution / 230ml - £18.86
  • Quick Cal Solution / 500ml
  • pH 10.01 / 120ml
  • pH 10.01 / 230ml
  • pH 4.01 / 120ml - £9.86
  • pH 4.01 / 230ml - £18.86
  • pH 7.01 / 120ml - £9.86
  • pH 7.01 / 230ml - £18.86

Hanna Calibration/Buffer Solutions


Hanna Calibration/Buffer Solutions are essential for both indoor and outdoor growers and gardeners who need to maintain accurate pH and EC measurements for optimal plant health:

  • Ensures Accurate Measurements: Regular use of these solutions guarantees precise pH and EC readings, helping you maintain the ideal growing conditions for your plants.
  • High-Quality Standards: Manufactured to high standards, ensuring consistency and reliability in every use.
  • Convenient and Easy to Use: Ready-to-use solutions simplify the calibration process, making it straightforward even for beginners.
  • Wide Range of Solutions: Available in various pH and EC values to suit all your calibration needs.
  • Improves Equipment Longevity: Regular calibration with these solutions helps extend the life of your pH and EC meters by ensuring they remain accurate and functional.

The pH solutions are available in pH 4.01, 7.01 and 10.01 ensuring accurate pH readings from low to high, and the EC solutions are available in 1.413 and 5ms/cm, again ensuring accuracy from low to high. Hanna Calibration/Buffer Solutions are an indispensable tool for any grower or gardener who wants to ensure your plants thrive in the best possible conditions.


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Delivery Information

Most orders are shipped within 24 hours.

Orders are currently shipped with Parcelforce (Express 24 service for standard and heavy/bulky items) or DPD Local (Premium next-day), a signature will be required on delivery. We have been shipping orders for 15 years and our courier choices are subject to change as service levels fluctuate.

All orders are shipped on a next day courier service – you will be informed via email or SMS the evening your order leaves us so you know to expect it the next day. On the morning of delivery you will get another SMS or email informing you of the expected delivery time.

If you have any questions on delivery please get in touch.

As the website calculates some charges by weight it is possible that shipping is not calculated correctly. We reserve the right to get in touch in these circumstances we will request the additional amount or offer to refund the order.

UK Delivery

Standard delivery to the UK Mainland addresses (excluding Scottish Highlands & Islands, offshore and N.I.) is charged at a flat rate of just £5.95 per order or £7.95 (for the premium next-day service), standard delivery (with Parcelforce) is free* for orders over £50.

*Large and/or heavy items attact a surcharge from our courier - shipping surcharges are calculated per item and are applied regardless of order value.

Non-UK mainland destinations are charged by weight.

International Delivery

Coming soon…

Collect in Store (Bristol)

We now offer a 'collect in store' option, which allows you to pay for goods online and collect from our Bristol store at time that suits you (within our opening hours).

The process is simple:

  1. place your order and pay online, select 'Pick Up' at checkout;
  2. receive an email confirming that the order is ready for collection;
  3. bring/show your confirmation email and photo ID to collect your order.


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