HDX 1 Gal. Muriatic Acid (2-Pack) is a powerful pH reducer for your swimming pool. It comes ready to use, with no pre-mixing required. This fast-working chemical helps prevent scaling caused by calcium-based chlorine and hard water.

• Model 10031HDX
• Helps balance the pH level in swimming pools
• Ready to use without pre-mixing
• Begins working quickly
• Chemical pH reducing agent
• Pack of two 1 Gal. containers

Replacement solutions 1-5 for 5-way swimming pool and spa test kits. Easily tests for chlorine, bromine, pH, acid demand and total alkalinity. The easy to use color matching caps help guide you through your testing process. Maintaining proper water chemistry keeps pool clean and healthy.

• Model 63327
• Tests for chlorine, bromine, pH, acid demand and total alkalinity
• 1 oz. solutions for #1-#3
• 1/2 oz. solutions for #4 - #5
• Refill solutions #1 - #5
• #2 phenol red is for use with 5-way test kit and phenol red is for use with 2 or 3-way test kits

To maintain proper water chemistry, testing for five basic chemicals is a must. The 5-way test kit tests for chlorine, bromine, ph, acid demand, and total alkalinity. Each test ensures that your pool and spa water is safe not only for swimmers, but for the longevity of your pool's finish and equipment. The kit includes a round clear-view test block with five integrated color chip readouts that are easy to use for matching. Chlorine and ph indicators are located on the front of the test block, with the bromine readout located on the back. A complete set of indicator solutions is included with 1 oz. Solutions of #1- #3 and 1/2 oz. Solutions of #4 - #5. A quick-guide for testing is included along with a complete comprehensive instruction guide filled with easy to follow procedures and added tips for regular maintenance.

• Maintain the proper water chemistry of your pool, spa or hot tub by testing regularly - testing for chlorine, bromine, ph, acid demand, and total alkalinity is easy using the step-by-step instructions included
• Round clear-view test block features built-in color chips for easy matching to tested water. No guessing as to what your water may need to maintain it's proper balance
• Included in the 5-Way Kit are all the solutions you need to help you maintain the proper water chemistry - Three 1 oz. solutions for #1 OTO, #2 Phenol Red, and #3 Acid Demand and two 0.5 oz. solution for #4 Chlorine Neutralizer and #5 Alkalinity
• Stay organized - this complete 5-way test kit comes contained in an organized, easy-to-store suitcase-style case
• Prevent pool problems before they develop by using your test kit regularly
• IMPORTANT NOTE: #2 Phenol Red, CONTAINED IN THIS KIT, is only for use with 5-Way Test Kits. Phenol Red is for use with 2-Way or 3-Way Test Kits - DO NOT INTERCHANGE
• Made with global components and assembled in the USA