FROG Soothe Calcium Total Hardness Increaser for Hot Tubs & Swim Spas – 2 lb Bottle with TruDose Cap (2 Pack)

Overview

FROG Soothe Calcium Total Hardness Increaser helps hot tubs and swim spas maintain a balanced water balance by safely elevating calcium hardness. Packaged as a 2 lb bottle with the TruDose measuring cap, this product is designed for straightforward maintenance and comes as a convenient 2 pack for ongoing care.

Why calcium hardness matters

Maintaining appropriate calcium hardness supports the integrity of tub surfaces and various equipment. A balanced level can help mitigate surface staining and potential corrosion, while still allowing compatibility with a variety of sanitizing options. This product is suitable for use in different tub sizes and setups, providing a versatile approach to water balance.

Key benefits at a glance

• Fast dissolving formula to raise hardness levels efficiently and with minimal effort
• TruDose Cap seals securely and features clear cup and tablespoon indicators for straightforward dosing
• Transparent measuring cap enables quick, precise additions with simple instructions
• Works with all hot tubs and swim spas and is compatible with chlorine, bromine, or salt systems
• Leverages FROG water care expertise and Mineral Technology for cleaner, clearer water

Real-life use and ease of maintenance

Imagine a busy weekend routine where you want balanced water without fuss. A quick dose using the TruDose Cap can fit into your normal spa maintenance cycle, supported by a clear dosage guide and standard test strips to verify balance. The approach is designed to be intuitive, avoiding guesswork while remaining flexible to your sanitizing choice.

What you get in the 2 pack

• Two 2 lb bottles ready for routine maintenance
• Two TruDose measuring caps for accurate dosing
• Clear, action-oriented instructions and compatibility guidance
• Mineral Technology and the option of prefilled cartridge benefits for a softer water feel

Note: Results can vary based on usage and environmental conditions. This product is intended to support water balance and surface protection as part of a regular maintenance routine.