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FROG® SooTHe – Calcium Hardness Increaser for Hot Tubs Balancing your hot tub water just got simpler, faster, and more accurate with FROG SooTHe. Featuring the exclusive FROG TruDose Cap™ and easy-to-follow dosing instructions printed right on the bottle, you’ll get the perfect amount every time — no guesswork, no mess, no stress. If your Total Hardness is too low, your spa water can become corrosive and damage surfaces and equipment. FROG SooTHe raises calcium hardness into the ideal range of 150–250 ppm, protecting your hot tub from corrosion while helping prevent scaling and keeping your water crystal clear and comfortable. Why Total Hardness Matters Prevents corrosion of spa components Protects heaters and plumbing Reduces risk of surface damage Supports balanced, clear water Enhances overall soaking comfort FROG® SooTHe: Step-by-Step User Guide Step 1: Test water weekly using FROG® Test Strips (or FROG @ease® Test Strips if using FROG @ease) to monitor Total Hardness. Step 2: Use the dosing chart on the bottle to determine how much FROG SooTHe to add using the TruDose Cap™. Step 3: With jets running and the spa unoccupied, pour FROG SooTHe into the hot tub. Circulate jets for 30 minutes, keeping the cover off while mixing thoroughly. Step 4: After 2 hours, retest the water and repeat steps as needed until Total Hardness reaches the ideal range of 150–250 ppm. With FROG SooTHe, achieving properly balanced, comfortable spa water is simple, precise, and worry-free.
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🇺🇸 Ship from USA · On Agora since 2026
$13.95