7-in-1 Comprehensive Testing : No need for multiple test kits! Get a complete picture of your water balance with zero hassle. 30-Second Rapid Results : Perfect for busy UK households—dip the strip in water, wait just 30 seconds, and compare to the colour chart (on the bottle) for instant readings.
eBay
【Apply】: Sand Filter Pressure Gauge suitable for swimming pools, spas, hot tubs, aquariums, ect. We'd like to settle any problem in a friendly manner. 【Pressure Gauge for Water Tank】: High accuracy, easy to read.
eBay
As your pump will usually be continuously cleaning and filtering the water when it is turned on, this dirt can quickly build up, especially when the hot tub is regularly used. 2 x Filters. Another TOP QUALITY product from Castle Hot Tubs.
eBay
1 x Air Button. 1 x Air pressure switch rated at 16amp,125-250V. Made of high quality material, and practical to use. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
SUDS-ONLINE 3 in 1 test strips for swimming pools, spas and hot tubs.
eBay
Relax SPA Brominating (Bromine) Granules 1kg. Relax Spa/Hot Tub Brominating (Bromine) Granules 1kg. Dose as a rate of 3g per 1,000 litres to boost bromine by 1ppm. Re-test your hot tub water and repeat dosage until Bromine reading is between 4ppm and 6ppm.
eBay
A few pages have detached from spine. See photos for condition details.
eBay
WIDELY USED: For Outdoor & Indoor Swimming Pools, Aquariums, Bath, Spas, s, Fish Pond and Lake, All Other Types of s. EASY To READ: Large Temperature Display, It Floats on Water's for Easy Access and Quick Readings.
eBay