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Shop / leisure time calcium booster

Calcium Hardness Increaser for Hot Tubs, 1-Quart

$ 12.73   $8.91   save 30%
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Revised Content:

This calcium hardness-increasing product is designed for spas and hot tubs with low hardness levels. Low hardness can lead to the etching of plaster and the corrosion of equipment. Before using this product, test the water with a calcium hardness test kit or consult your local spa dealer to determine the ideal hardness level, which is typically between 200-400 ppm (parts per million).

Adding 1 ounce of this product per 500 gallons of water will increase the hardness by approximately 10 ppm. To determine the proper amount of product to use, simply conduct a calcium hardness test.

To apply the product, follow these steps:

  1. Refer to the calcium hardness test kit results to calculate the required amount of product.
  2. With the spa or hot tub equipment running, pour the calculated amount of product directly into the water.
  3. Run the filter for 1-2 hours to ensure thorough mixing.
  4. After 20 minutes, you may retest the water to verify the desired hardness level has been achieved.

Customers often prefer this liquid product formulation over granular alternatives, as it can be easier to measure and apply.

By maintaining the ideal calcium hardness range of 200-400 ppm, you can help prevent damage to plaster and equipment, ensuring the longevity and optimal performance of your spa or hot tub.

product information:

AttributeValue
brandSpaChoice
item_weight2 pounds
item_formLiquid
product_benefitsCalcium Increaser
upc034261188542 676215233061
global_trade_identification_number00676215233061
unit_count32.0 Fl Oz
product_dimensions3 x 3 x 10 inches
manufacturerRobelle Industries
country_of_originUSA
item_model_number472-3-3061
customer_reviews
ratings_count231
stars4.6
best_sellers_rank#8,750 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#49 in Swimming Pool Balancers
is_discontinued_by_manufacturerNo
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