Best Cyanoguanidine

HTH Pool Care Shock Advanced, Swimming Pool Chemical Prevents Bacteria & Algae, Cal Hypo Formula, 1 lb

BENEFITS: Stay all clear for cannonballs.
This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity.
FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity.
VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly.

BENEFITS: Stay all clear for cannonballs.
This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity.
FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity.
VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly.

BENEFIT: Give your swimming pool water a visibly brilliant sparkle with this convenient and easy-to-use Cal Hypo formula.
VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
SLOW DISSOLVING, LONG LASTING: The patented HTH slow dissolving technology protects against chlorine loss in direct sunlight and a sparkle that lasts up to 1 week.
COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.

BENEFIT: Get the ultimate in pool care convenience with this all-in-one Cal Hypo formula.
Sanitizes, controls algae, clarifies, softens pool water, and even prevents stain and scale to keep your pool clean, clear, and ready for summer fun.
VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes and shock treats without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
MULTIFUNCTIONAL, FAST ACTING: The all-in-1 pool treatment has built-in algae control, pool water clarifier, stain and scale preventer, water softener and filter aid—all with visible sparkling blue results in 24 hours.
COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.

BENEFIT: Use this all-in-one powerhouse pool shock to increase chlorine levels, prevent bacteria, algae, stain, and scale, reduce skin and eye irritation, improve filtration, and soften your swimming pool water quickly and easily.
VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
VISIBLE BLUE ACTION: This built-in feature lets you know the product is working.
COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly.
Use weekly to solve 90% of pool problems within 24 hours and restore crystal clarity.

Product 1: Removes organic contaminants for clear water.
Product 2: BENEFITS: Stay all clear for cannonballs.
This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity.
Product 2: FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity.
Product 2: VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
Product 2: COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.

Product 1: BENEFITS: Stay all clear for cannonballs.
This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity.
Product 1: FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity.
Product 1: VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
Product 1: COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
Product 2: Raises low pH in swimming pool water.
Product 2: Reduces eye irritation for swimmers.
Product 2: For best results, use with the Clorox Pool App.

NEW 2020 VERSION 7 IN 1 TEST KIT - YOUR COMPLETE SOLUTION: Test strips for pools and spas can check 7 parameters - pH, Free Chlorine, Total Chlorine, Total Alkalinity, Cyanuric Acid (CYA Stabilizer), Total Hardness & Salt..
120 POOL WATER TEST STRIPS PER PACKAGE - MORE PER BOTTLE: 120 Count Swimming Pool Test Strips included (WITH LONG STEM FOR EASY HANDLING). Packed in TWO 60 Strips Per Foil Wrap Inside Tightly Seal Container For Longer Preservation..
FOR FRESH AND SALT WATER: Test Strips For Pools and Spas were specially Crafted For Pools, Spa, Jacuzzi & Hot Tub Testing, For Both Fresh And Salt Water. Ensure That Your Water Is Safe To Enjoy And In Good Conditions For Swimmers, Equipment Longevity, Pool Surface Protection & Chemical Effectiveness. Please note that these are not recommended for testing Tap or Well Water..
SAVE TIME - EXTREMELY EASY TO USE: With our new splash proof and water resistant label just follow these easy steps 1 Dip One Test Strip Into The Water And Wait For 2 Seconds (almost immediately after dipping). 2 Remove Test Strip, Gently Tap or Shake To Remove Excess Water And Rest Horizontally In Flat Surface For 60 Seconds. 3 Compare To Recommended Ranges On Color Chart..
ACCURATE AND EASY TO READ: Simply Compare Testing Strips C....