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FROG SooTHe™
Raises Total Hardness
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Balancing your hot tub water just got simpler, faster and more accurate with FROG SooTHe. Featuring our exclusive FROG TruDose Cap™ and easy-to-follow dosing steps printed right on the bottle, you’ll get the perfect amount — no guesswork, no mess, no stress. Low Total Hardness? FROG SooTHe raises calcium hardness to the ideal range, protecting your hot tub from corrosion and scaling so your water stays crystal clear and your soak stays comfortable.
How to raise Total Hardness in your hot tub.
Use FROG SooTHe!
Water Care Made Simple — FROG TruDose Cap™
The TruDose Cap on FROG SooTHe takes the stress out of measuring and dosing. The TruDose Cap seals the bottle firmly. When you need to add FROG SooTHE, the TruDose Cap is always ready; its easy-to-read, built-in measurements help you add just the right amount into your hot tub water.
SIMPLY:
POUR
into the FROG TruDose Cap
MEASURE
with the built-in markings
DOSE
into the water
FROG SooTHe: Step-by-Step User Guide
Step 1:
Test water weekly with FROG® Test Strips (or FROG @ease® Test Strips if using FROG @ease) to monitor Total Hardness.
Step 2:
Use the chart on the bottle to determine how much FROG SooTHe to add using the TruDose Cap.
Step 3:
With the jets on, pour the product into the hot tub when not occupied. Circulate jets for 30 minutes to mix thoroughly. Keep the hot tub cover off while running the jets.
Step 4:
After 2 hours, retest and repeat steps 1-4 until the ideal Total Hardness range of 150-250 ppm is met.
Compatible with our family of FROG Sanitizing Systems!
Water Balancing Tips
Water balance is key—test regularly to keep levels ideal: Total Alkalinity 80–120 ppm, pH 7.2–7.6, Total Hardness 150–250 ppm.
Always adjust Total Alkalinity first—use FROG TArget to raise it or FROG DropH to lower it. Once it’s in the ideal range of 80–120 ppm, adjust pH.
Test and adjust pH with FROG DropH or JumpH as needed. Once pH is 7.2–7.6, adjust Total Hardness.
Test water and adjust Total Hardness if needed. Total Hardness ideal level 150-250 ppm
When Total Alkalinity, pH and Total Hardness are at ideal levels, add sanitizer. Use any FROG hot tub sanitizing system or your preferred option.
FAQ’s
Also known as calcium hardness, Total Hardness refers to the amount of calcium and other minerals in the water that make it feel “hard” or “soft”. Hot tub water should maintain a Total Hardness level between 150 – 250 ppm. This should be tested when you first fill your hot tub.
When Total Hardness is below 150 ppm, the water can be corrosive; if it’s above 250 ppm, the water may lead to scaling. If you have the option of filling the hot tub with softer water, you can always add hardness. If your water is hard from the faucet, then it requires more work to get it balanced. Without a balanced Total Hardness, it will be very difficult to maintain proper balance and sanitizer levels and damage to the hot tub is almost certain.
Most often it is due to the water that comes out of your tap to fill the hot tub. Every municipality is different, and many people have well water. Every time you add water to the hot tub due to evaporation, you are changing the Total Hardness.
The best option is to find a soft water source to fill the hot tub. Short of that, it’s best to check with your local dealer who understands what it takes to remove Hardness from hot tubs in that region. If you don’t get the Hardness below 250 ppm, you will experience less effective sanitizing and damage to surfaces or equipment.
Low Total Hardness will search for any type of calcium and pull it from the hot tub surfaces which results in pitting or etching. It also dries out skin and makes soaking an uncomfortable experience. However, there is an easy fix for this and that is to add a hardness increaser like FROG SooTHe.
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