If the pH is too high, then the desinfectant can not work properly. Tap water should have a pH of 6.5 to 9.5, rain water can have a pH < 5. Pure water should have a pH of approx 7. Wide range of detection, from pH range of 2 - 12.
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5/10/20/30PCS Nasal Pads for CPAP Mask Universal Nose Pad Sleep Apnea Comfort Pad Anti Wrinkle Ventilator Pad Nasal Strip Access
Aliexpress UK
Both pads will change to reveal the most accurate. 25 pH range. Item model number : pH. Specific uses for product: pH Test. Units: 125 count.
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Sleep Aid Nasal Strips - Stop Snoring Nose Patch for Better Breathing Clear Adhesive Comfortable Sleep Aid Health Care Product
Aliexpress UK
3 IN 1 POOL TEST KIT: The keys to maintaining water quality in your swimming pool include Total alkalinity (TA),Free Chlorine and Bromine and pH. With 4 tests combined into one strip, testing is super easy and efficient.
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50Pcs 55x16MM Breath Nasal Strips Right Aid Anti Snoring Nose Patch Good Sleeping Patch Easier Better Breathe HealthCare
Aliexpress UK
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 1 - 3 indicates a very acidic substance. compare the color change of the paper to find out the acidity level of your testing subject.
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Nasal Breathing Dilators Starter Kits Magnetic Nose Strips Increase Sports Air Intake Improve Sleeping Reduce Snoring
Aliexpress UK
12-14 = high Alkalinity. 1-3 = high acidity. 8-11 alkaline.
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8PCS Anti Snoring Breathe Easy Sleep Nose Clip Snore Stopper Aid Nasal Dilators Device Congestion Aid No Strips Cones
Aliexpress UK
Keep your pool or hot tub safe and enjoyable with this Aquasparkle 4 Way Test Strip Kit, including 50 test strips for checking chlorine, bromine, pH level, and alkalinity/KH. These strips are suitable for all water types and come with a free testing chart for easy accuracy. Included in this kit is a testing strip, making it an essential tool to keep your pool or hot tub clean and healthy. With Aquasparkle Test Strips, you can easily check the levels of your pool or hot tub without talking about the condition of the item.
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Long Strip Back Rubbing Foam Bath Towels Body Scrubber Rubbing Back Peeling Massage Shower Extended Scrubber Skin Clean Brushes
Aliexpress UK
Tests for:Glucose, Protein, pH, Blood, Ketones.
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120pcs Nasal Blackhead Papers Facial Pores Strips For Household Bedroom Travel Nasal Paper For Skin Care Removal Accessories
Aliexpress UK
Includes x125 clearwater dip test strips that make caring for your pool simple and easy Measures chlorine, PH and alkalinity: Measures various quality levels of swimming pool or spa water to indicate what chemicals are needed to prevent harmful bacteria entering your water Quick and easy to use - simply dip the test strips into the water and check the results on the handy printed colour chart Directions: Dip strip and remove immediately, hold strip level for 15 seconds, use simple-to-use guide on bottle to read the results Clearwater is a BISHTA approved member and recommended by brands such as Bestway and Lay-Z-Spa for reliable, safe and high-quality water treatment
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100/50PCS Breath Nasal Strips 2 Supports Stop Snoring Right Aid Nose Patch Good Sleeping Patch Better Breathing
Aliexpress UK