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Velda 25x Freshwater Indicators for Aquatesterpro Water Analyser Indicator

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Price:
£27.95
Free 3 day postage
Estimated between Thu, 9 May and Fri, 10 May
Returns:
30 days return. Buyer pays for return postage.
Condition:
New
Genuine Velda product. For use with Velda Pro Tester. It represents the capacity of the water to function as a buffer. When the KH value is too low, acidification of the water may result, slowing down the growth of oxygen-producing plants.