Test for total alkalinity with a reliable test kit. The desired range for total alkalinity is 80-140 ppm.

This product increases the effectiveness of the disinfectant, and helps prevent scale formation. It also prevents corrosion of metals, etching of spa surfaces, eliminates “bounce”, and maintains pH at the proper level. Easy to use; dissolves quickly.

1. Add 1 oz. (2 tbsp.) to spa water.
2. Allow water to circulate for 30 minutes.
3. Retest water and repeat Steps 1 and 2 until the desired level is reached. For best results, dissolve granular products first by adding to a small plastic pail filled with water.

Why is alkalinity important for my hot tub or spa?

Alkalinity plays a crucial role in maintaining stable pH levels in your hot tub or spa. Proper alkalinity prevents rapid pH fluctuations, ensuring balanced and comfortable water.

How do I use AquaDoc Alkalinity Increaser to adjust my spa's alkalinity?

Simply follow the instructions on the product label. Add the recommended amount of AquaDoc Alkalinity Increaser to your hot tub or spa water and allow it to dissolve for even distribution.

Is AquaDoc Alkalinity Increaser compatible with different hot tub sanitizers and water systems?

Yes, AquaDoc Alkalinity Increaser is designed for use with various sanitizers, including chlorine, bromine, ozone, and more. It's versatile and suitable for different hot tub setups.

How often should I test and adjust the alkalinity in my hot tub or spa?

Regularly test and adjust alkalinity as needed, especially when you refill your hot tub or spa. Aim for a total alkalinity level within the recommended range to maintain water balance.