The 2025 Pro-Products #1 hardness refill 1 oz. solution is for the basic and standard Spectrum field test kits by Pro Products. This refill solution is easy to use and gives quick, accurate results concerning the level of hardness in your water. Enjoy the convenience of this 16 oz. easy-to-store bottle. Order today!
- Ships fast!
- Solution quickly and easily gives you information about hardness levels in the water
- Gives you more information about how to treat your water
- Hardness #1 refill 1 oz. bottle
- Genuine OEM Product
