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Shop / spaguard calcium hardness increaser

Calcium Hardness Increaser for Hot Tub, 1-Quart

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$ 15.03   $10.52   save 30%
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This product is designed for increasing the calcium hardness in spas and hot tubs that have low hardness levels. Low levels of hardness can cause damage to plaster and equipment. Before using this product, it is important to test the water with a calcium hardness test kit or consult with a local spa dealer. The optimal hardness level is between 200-400 ppm (parts per million). Adding 1 ounce of the product per 500 gallons of water will increase the hardness by approximately 10 ppm.

To use this product: 1. Use a calcium hardness test kit to determine the amount of product needed. 2. Pour the appropriate amount into the spa or hot tub with the equipment turned on. 3. Run the filter for 1-2 hours. 4. The water can be retested after 20 minutes.

Customers prefer this liquid product over granular alternatives because of its ease of use.

product information:

AttributeValue
product_dimensions10 x 3 x 3 inches
item_weight2 pounds
manufacturerSpaChoice
country_of_originUSA
item_model_number472-3-3061A
customer_reviews
ratings_count213
stars4.5
best_sellers_rank#32,145 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#132 in Swimming Pool Balancers

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