Ultimate Tech Manual

Pool and Spa Filter Sizing: Part 2
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Pool and Spa Filter Sizing: Part 2

The key to sizing commercial sand filter systems is all in the details. More

Introducing the 2017 Pool and Spa News Ultimate Tech Manual
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Introducing the 2017 Pool and Spa News Ultimate Tech Manual

Check out our 15th annual go-to reference for novice and experienced pool and spa... More

How to Track Down Electrical Dangers in Hot Tubs
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How to Track Down Electrical Dangers in Hot Tubs

A healthy dose of intuition and some analytical ability often go a long way in... More

Dealing with Discoloration
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Dealing with Discoloration

Perhaps the most common liner problem is discoloration. More

Tags: Chemicals
Electrical Examination
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Electrical Examination

When an electric motor stops running, use your ohmmeter or multimeter to check the... More

Enemy No. 1
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Enemy No. 1

Besides harsh chemicals, one of the worst enemies of vinyl liners is ultra-violet... More

Tags: Accessories
Taming Stains
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Taming Stains

A major factor in vinyl-liner pool care that should be considered is air... More

Basic Pool Water Tests
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Basic Pool Water Tests

Service techs can use three methods to measure chlorine residuals in pools: More

Reading Water Tests
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Reading Water Tests

Though you think you’re using the most accurate water-test kit available, it still... More

Heater Sizing Techniques
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Heater Sizing Techniques

Replacing a defunct pool or spa heater for a customer on your route? More

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