Why buy from Pond Planet?
The NT Labs Hardness Test provides a simple easy to use testing kit for determining GH and KH levels in fish and koi ponds. The NT Labs Pond Hardness Test Kit comes complete with colour coded test tubes and liquid reagents to provide accurate results for approximately 80 tests.
GH or general hardness is the measure of the total mineral content of the water. Minerals are essential for the health of plants and fish. KH is the buffering capacity or alkalinity reserve of the water in your pond. This buffering capacity prevents sudden pH changes which can be leathal to your fish.
Order before 2:00pm for same day dispatch.
Orders under £49
Standard Delivery Service - £3.95
Delivery takes 1-2 working days.
UK Express Delivery - £5.95
Upgrade your order to next working day delivery.
Orders Over £49
UK Express Delivery - FREE!
FREE next working day courier delivery via DPD Local.
If for any reason you are not satisfied with your purchase from Pond Planet, you may return the product(s) to us within 14 days of the purchase date for a refund or exchange.
Goods must be returned in perfect and unused condition, in their original packaging. The buyer must ensures that the goods are securely and adequately packed to avoid damage and the purchaser pays all postage costs. We recommend that products are returned by recorded delivery or by carrier that requires a signature. Pond Planet accepts no responsibility for goods returned to us unless signed proof can be provided.
You can use any of the payment types listed at the bottom of the page to pay for your order. Your details are safe with us as we take security very seriously indeed.
We also take fraud very seriously so all credit and debit card transactions are subject to validation, authorisation and security checks by both the card issuer and ourselves.
Please note - We DON'T store your credit card details on line.
We collect information about you for two reasons: firstly, to process your order and second, to provide you with the best possible service.
We will not email you in the future unless you have given your consent and will give you the chance to refuse any marketing email from thereafter.