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Gobble Up The Savings With Our Most Popular Hot Tub Supplies For The Holidays!

	Hot Tub Cover Lifters Make Removing Your Cover Super Easy! From $169.95
Prestige Deluxe Hot Tub Covers Now Available In Vinyl Or Weather Shield! From $599
Click To See All Of Our Great New Coupons
	Replacement Parts For Pools And Hot Tubs From $3.99
Floating Foam Thermal Blankets For Hot Tubs From $129.95
This Week's Hot Tub Supply Picks For You Defoamer Wind Straps Shock
	Be Sure To Change Your Cartridge Filter Every Year! From $13.95
Keep Your Hot Tub Crystal Clear With Eco One Hot Tub Chemicals From $9.95
More Popular Hot Tub Supplies Chemical Kits Bromine Tablets Spa Scents
	Loop Loc Spa Cover Protector Cap From $219.95
Upgrade Your Equipment With A New Energy Efficient Balboa Hot Tub Pack From $399
	Say Goodbye To Chlorine With A Nature 2 Mineral Sanitizer For Hot Tubs $21.95

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This Week's Most Popular Article

What Is The Hamilton Index For Pool And Hot Tub Water?

Make adjusting your water chemistry a breeze using the Hamilton Index! And no, you do not need any new chemicals either!

The Hamilton Index is a better way to adjust the chemicals in the water of swimming pools and hot tubs. It re-thinks all the old ways of testing and adjusting chemicals in order to give you better balanced water with much less cost and effort.

Most of the pool and hot tub industry uses what is called the Langelier Saturation Index (LSI) for water balancing recommendations. The LSI was developed in the 1930's for municipal water systems, and was required to be heavily modified to work for pools and spas. However it turns out that using LSI is not the best way to handle the water of pools and spas. The Hamilton Index was developed from the ground up to work specifically for the...

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