Product Description
Robarb's Spa Alkalinity Up enables users to raise water alkalinity in both spas and hot tubs safely and effectively. Water alkalinity stabilizes your pool's pH levels, making them harder to change, as well prevent extensive damage to any pipes or equipment. Spa Alkalinity's granular formula dissolves quickly in hot water, making application quick and easy. Compatible with chlorine, bromine, ozone, minerals, biguanide, and salt water sanitizers.
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Chemical Type:
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Total Alkalinity - Increaser
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- Circulate the spa water for 15 minutes. Test with Robarb 4-Way Test Strips.
- If total alkalinity is below 120 ppm, add 1 oz. of Alkalinity Up into a small container filled with water.
- Add the solution to the spa and allow to circulate for 30 minutes.
- Retest the spa water and repeat steps 2-3 until total alkalinity is at desired level.
- To adjust pH levels, use small increments of Robarb pH Up and pH Down.
If total alkalinity is below 120 ppm, add 1 oz. of product. Retest and repeat until desired level is achieved.
Active Ingedient: Sodium Hydrogen Carbonate.
Use this product to raise the total alkalinity level in your hot tub. This product is compatible with all sanitizer types.