Labsales Hot Tub, Spa and Pool Water 2 In 1 Test Kit For Alkalinity Hardness, Easy Chemicals, Forget Strips, Results Seconds, 10 Tests Each Included

【2-IN-1 TESTER】This Clever Hot Tub and Spa Test kit allows you to quickly and easily check for Alkalinity and Hardness in your swimming pool with true confidence, using superior colour identification and eco friendly green chemistry 【UNPARALLELED ACCURACY】Using the same technology as professional spa test kits our product will always show the correct results so you can be sure to get your chemicals just right for your tub 【SEE THROUGH THE COLOUR】Our colour change sampler allows you to see colour through the water meaning you certainly won't miss the colour change simply rinse down the drain when complete 【RESULTS IN SECONDS】Simply take a small sample add the tablet and continually add sample drop by drop until colour change occurs the complete test can be done in a matter of seconds giving you more time to enjoy relaxing with family and friends 【LOW COST REFILL】No need to buy the whole system again just purchase one of our Low cost refill kits that come with 30 professional tests for Alkalinity and Hardness