API GH & KH Test Kit

£8.99
£8.99
£8.99
Tax included. Shipping calculated at checkout.

Shipping Information

Economy Shipping (5-6 Days) £3.49
Standard Shipping (2-3 Days) £4.99
Courier Shipping (1-2 Days) £5.99

Free Shipping from £49!
(for mainland UK only!)

Pre-orders

Pre-orders

We offer the option of pre-orders on some products. These are specifically ordered for you. Pre-orders usually despatch within 2-9 business days. We reserve the right to hold the order until all items are in stock, but generally strive to ship what is available as soon as possible!

Pre-orders are clearly marked on the product page!
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
Sold out
When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat. The API GH & KH TEST KIT helps you duplicate the natural habitat of your fish to prevent stress, keeping them healthy!

Contains 2 test bottles, easy-to-ready instructions, and test tubes
  • WELL TRUSTED
    Over 100k customers
  • SUPER FAST
    Courier Option
  • BEST PRICES
    Unbeatable value