Best Used Widely Hardness Test

Calcium Chloride Pool Hardness Increaser | Spa Calcium Hardness Increaser | Works for Pools Spa & Hot Tub - 10 Lbs

  • Dissolves quickly - Designed to dissolve quickly and work fast. Add this product on the day when no other water treatment chemical has been added. Test water for hardness with a test kit or strip. Broadcast product over the entire water surface while the pump is running. Do not pre-dissolve this product..
  • Best price to value - Our calcium hardness increaser is made with highly concentrated premium calcium chloride flakes. 1 Lb of the Eco Living Solutions Pool Hardness increaser will increase 10PPM for a 10,000 Gallon pool. This makes sure our customers get the best value from this purchase..
  • Improves pool health - Our calcium hardness increaser prevents corrosion of your swimming pool metal fittings, deters ugly rust stains, reduces scaly white buildup on the pool surfaces, and stops pinhole leaks in critical pool equipment..
  • All purpose water hardness increaser - Eco Living Solutions calcium hardness increaser works with all types of swimming pools and hot tubs..
  • Easy to use and store - Our calcium hardness increaser comes with a shaker lid for easy application and storage. Add th....
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7 in 1 Pool & Spa Test Strips | Water Testing Kit Hot Tub Test Strips Detects pH, Chlorine, Bromine, Hardness, Alkalinity, Cyanuric Acid 100 Strips

  • COMPLETE TESTING KIT -Test strips for pools and spas ready to use hot tub test strips for your convenience.
  • tests for 7 parameters, pH, Free Chlorine, Total Chlorine, Bromine, Total Hardness, Total Alkalinity and Cyanuric Acid test strips.
  • ACCURATE AND FAST RESULTS - Pool testing kit for above ground pool, hot tubs, spas give results within seconds, strips come with a detailed color chart, detect low levels of impurities and chemicals, and strips help keep the water clean and safe..
  • EASY TO Use: Simply dip the strip in water and compare it with a color chart for instant and reliable results, so you don’t have to worry about complex tests, pool and spa test strips are easy to use..
  • LONG SHELF LIFE – 100 testing strips packed in one bottle and one storage bag.
  • strips in an open package need to be used within 3 months, so you can test your pool water quality at regular intervals and don't have to rush using all 100 strips.
  • MULTIPLE USES – Can be used for both fresh and salt water pool, spa, hot-tub and all other water sources.
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AMTAST Barcol Impressor Portable Indentation Hardness Tester, Test Range 0~100HBa Equal to 25~150HBW

  • Portable indentation hardness tester. Single hand operation.
  • Easy conversion. The test results can be converted to HB, HR,HV and HW easily through conversion table..
  • High sensitivity. Featured with 100 scales, much more sensitive than Webster hardness testers applied in aluminum alloys industry..
  • Wide valid testing range equivalent to Brinell hardness 25-150HBW..
  • Barcol Impressor is mainly applied to test aluminum and aluminum alloys..
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uxcell Silicone O-Ring, 4mm OD, 1mm ID, 1.5mm Width, VMQ Seal Rings Gasket, Red, Pack of 50

  • [Size] - 4mm Outside Diameter, 1mm Inner Diameter, 1.5mm Cross-Section Diameter.
  • [Hardness] - 50 Durometer (Shore Hardness) for resistance to penetration.
  • [VMQ] - Standard silicone with a wide temperature range from -22℉ (-30℃) to 392℉ (200℃).
  • [Application] - Can be used for travel mug cup lids, espresso coffee maker and weldless fitting for brewing.
  • [Application] - Widely used for Hydraulics and Pneumatics sealing, pressure valve, gas compressor, reaction valve, heat exchanger, boiler, filter, mechanical.
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PULACO Aquarium Fish Tank Test Strips (6 in 1)100 Count for Fresh Water and Salt Water

  • ★【Aquarium Test Strips】: It is important to test your aquarium weekly to verify good water quality with PULACO Aquarium test strips, 6 in 1 strips with colourful comparison chart, suitable for both freshwater and saltwater fish tank..
  • ★【6 Material Testing】: PULACO test strips, combined 6 most critical water quality standard parameter,Hardness, Nitrate, Nitrite, Chlorine, Carbonate, pH..
  • ★【How To Use】: Immerse the strip for 2 seconds and then remove the strip, do not shake excess water off, and then put the strip horizontally for 60 seconds, compare against the color chart and read immediately within 30 seconds to get accurate results..
  • ★【Multipe Aquatic Usage】Can be used for testing various water quality: all fish tanks, shrimp tanks, aquarium plants tanks, fish ponds and many more..
  • ★【OUR PROMISE TO YOU】PULACO test strips are very sensitive to the environment and changes to temperature. In the unlikely event your strips EVER stop working please contact us and we'll send you a replacement bottle straight away..
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Commercial 110V 3Flavor Soft Ice Cream Cooling Making Machine 20-30L/H Standing Type(Ite#210051)

  • 【2+1 Flavors】 With two built-in stainless steel containers for three-flavors ice cream making, including two single flavors and one mix flavor. There are two different flavors on the left and right, and the mixed flavor in the middle..
  • 【High-horsepower Compressor】 The ice cream machine uses high-horsepower compressors to achieve rapid refrigeration and rapid discharge, and greatly increase the output per hour.Highest Output is 30L/h. Hardness of ice cream can be adjust..
  • 【Intelligent Control 】Time, temperature, hardness and quantity integrated into one, displayed on one LCD panel. Also with one-click cleaning function and material shortage protection system..
  • 【Different Hard】The hardness of the ice cream can be adjust.It’s easy to operate, very convient..
  • 【Extensive Use】The food grade stainless steel soft ice cream machien can be used to make soft ice cream, yogurt and other sorbets without trivial steps. Widely used in restaurants, cafes, fast food shops, etc..
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Tetra EasyStrips Complete Kit 25, 6 in1 Testing Strips and 25 Ammonia Testing Strips

  • ALL-IN-ONE TESTING KIT: Everything you need to test your aquarium water..
  • 7 DIFFERENT TESTS WITH 1 STRIP: Just one test monitors ammonia, nitrates, nitrites, water hardness, chlorine, alkalinity and pH levels..
  • VERSATILE: Can be used in both freshwater and saltwater aquariums..
  • CONVENIENT: Just dip into water, wait 60 seconds and read results..
  • USAGE: Use weekly to monitor aquarium water, after water changes or when adding new fish..
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Leak Stopper - Permanent O-Ring for CO2 Gas Cylinders

  • [Size] - 44mm Outside Diameter, 40mm Inner Diameter, 2mm Cross-Section Diameter.
  • [Hardness] - 70A Durometer (Shore Hardness) for resistance to penetration.
  • [Buna-N] - Standard Nitrile Butadiene Rubber with a wide temperature range from -4℉ (-20°C) to 212℉ (100°C).
  • [Application] - Widely used for pressure washer, filter, pump, water hose, plumbing pipe, garage maintenance, automobile mechanical and much more.
  • [NOTE] - Please confirm the required size and material before purchase, and put it in the right place.
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API GH & KH TEST KIT Freshwater Aquarium Water Test Kit

  • Contains one (1) API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, including 2 bottles of testing solution and 2 glass test tubes with cap.
  • Helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants and cause fish loss.
  • Accurately measures GH & KH in freshwater aquariums.
  • Water hardness is a measure of the dissolved mineral content of water and should match fish natural habitat to prevent fish stress and keep them healthy.
  • Use for weekly monitoring and when water or fish problems appear.
  • Front of package indicates “for FRESH WATER” because this is the most common use of this product, but instructions include ranges for marine and brackish aquarium water. So this product does not need a warning and it can be used if they wish to..
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Tools Holder Mount, ABS Ready Dock 3‑Link Perfectly Match Countersunk Screw Hole Bracket for 14.4V/18V/60V for Fixing

  • 【Material】Made from Aluminum Alloy, high hardness and a long service life.
  • 【Application】Used for all 2020 Series aluminum extrusion.
  • 【Function】Create connections between aluminum profiles in almost any configuration,7.2mm holes accept eccentric spacers for adding adjustable v wheels for linear motions systems.
  • 【Widely Used】Widely used for 3D printers, CNC routers, CNC laser cutters, robotics projects,machine guards etc.
  • 【Package】8pcs corner bracket,24pcs M5 set screws.
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