Pool Mate 1-2825 Calcium Increaser for Swimming Pools 25-Pound
- Low calcium hardness level can cause corrosive water.
- Prevents the staining or etching of your pool's surface.
- Ideal Calcium Hardness range 200 - 400ppm.
Check StockHHIP 8902-0155 35-55 HRC Rockwell Standard Test Block
- Can be used with 8902-0150 Hardness tester and most other imported Hardness testers.
- Each block is marked with the specific measured value..
- Supplied with a calibration certificate from the factory..
Check StockE2-D High Performance Durometer/Hardness Tester, Shore D
- Water hardness is caused almost entirely by calcium and magnesium ions.
- Hardness test kits include the inexpensive Models 5-B and 5-EP.
Check StockRobelle 2808B-02 Calcium Hardness Increaser for Swimming Pools, 16 Pounds
- Low calcium hardness level can cause corrosive water.
- Prevents the staining or etching of your pool's surface.
- Ideal Calcium Hardness range 200 - 400ppm.
Check StockPool Mate 1-2825B Pool Calcium Increaser, 25-Pounds (Bag)
- Low calcium hardness level can cause water issues.
- Prevents the staining or etching of your pool's surface.
- Ideal calcium hardness range 200 - 400ppm.
Check StockSpaGuard Spa Calcium Hardness Increaser - 12 Ounce
- 1 tbs. per 100 gallons raises calcium hardness 25ppm.
- Prevents corrosion of equipment due to low calcium hardness.
- Prevents etching of plaster due to low calcium hardness.
Check StockTAYLOR TECHNOLOGIES INC K-1770 TEST KIT CALCIUM HARDNESS
- Low calcium hardness level can cause corrosive water.
- Prevents the staining or etching of your pool's surface.
- Ideal Calcium Hardness range 200 - 400ppm.
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Xtrfy MZ1 White Rail, Lightweight Gaming Mouse Designed by Rocket Jump Ninja - White/Transparent
- Surface : Knitted cloth (Polyester). A tracking surface that blows away all traditional conventions: Traditional mousepads have all used standard tracking surfaces. This diversely multi-use surface balances both “quickness of initial movements and light operability” with “stop ability.”.
- Hardness : MID. The world’s best non-slip sole. Non-slip functionality on a completely different level. Water washable while maintaining functionality. This technology is on a different level than old and traditional textured non-slip features. High performance on a different level than any other company’s mousepad..
- Color : Black. The world’s first and only multi-hardness feature: This single surface features 2 types of hardness – XSOFT/MID. While the surface remains consistent, the hardness in the middle layer provides a clear difference in operability. Multi-hardness, to match your tastes and preferences..
- It is especially recommended for games with a lot of mouse movement. Exceptional operation feeling. Middle layer : 3mm Single foamed foam of special structure..
Check Stock0-100HD Shore D Hardness Durometer Digital Durometer Scale for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling balll with Large LCD Display
- 5.Suitable for the surface hardness test of sand mold in high pressure molding. * The unit of type B hardness tester for sand mold surface is (g/mm2), but it is customary to use hardness H(A/B/C) instead of unit. Because their values are related and consistent, the corresponding hardness value is also large when the unit value is large (g/mm2)..
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