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Hot Tub Universe

Spa Plus

$19.95 CAD
$19.95 CAD
Sale Sold out
Shipping calculated at checkout.
Increase calcium hardness in hot tubs Spa Boss Cal Rise is pH neutral SpaBoss Cal Rise is the effective way to increase the Calcium Hardness of your spa or hot tub's water. The ideal range of hardness is between 150-275 ppm. Cal rise is granular and should be diluted before adding to water. Cal rise is pH neutral. High calcium hardness promotes scale formation and cloudy water, where as low calcium hardness promotes suds/foaming or water and corrosive water.

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    Shipping within Nova Scotia, New Brunswick & Prince Edward Island is $20. FREE shipping for orders over $200! Shipping charges added at
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  • 30-Day Return Policy

    To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.