Category: Drinking water

EFFECTIVE AGAINST: Fluoride, arsenic, selenium, and chromium.

• 1 Uses of activated alumina
• 2 How activated alumina works
• 3 Capacity of an activated alumina device
• 4 Maintenance of an activated alumina device
• 5 Special considerations
• 6 Questions to ask before you buy

Uses of activated alumina

Activated alumina can be used as a point-of-entry or point-of-use water treatment device. Activated alumina absorbs contaminants instead of filtering them. The effectiveness of activated alumina depends on the contaminant, characteristics of the …

EFFECTIVE AGAINST: Oxidizing filters oxidize and filter iron, manganese, and hydrogen sulfide in one unit.

Contents 1 Uses 2 How oxidizing filters work 3 Capacity 4 Maintenance 5 Special considerations 6 Questions to ask before you buy

Uses

An oxidizing filter is an in-line, point-of-entry device (on the main incoming water line) that converts dissolved iron, manganese, and hydrogen sulfide to a solid form and then …

EFFECTIVE AGAINST: Dissolved iron and manganese, and hydrogen sulfide.

Contents 1 Uses of potassium permanganate 2 How potassium permanganate works 3 Maintenance of a potassium permanganate device 4 Special considerations for potassium permanaganate use 5 Questions to ask before you buy

Uses of potassium permanganate

Potassium permanganate is a point-of-entry treatment method that oxidizes dissolved iron, manganese, and hydrogen sulfide into solid particles that are …

EFFECTIVE AGAINST: Pathogenic (disease-causing) organisms including bacteria and viruses, phenols, some color, taste and odor problems, iron and manganese, and turbidity.

NOT EFFECTIVE AGAINST: Large cysts and some other large organisms, inorganic chemicals, and heavy metals.

Contents 1 How ozone treatment works 2 Capacity of ozone treatment units 3 Maintenance of ozone systems 4 Other considerations for ozone treatment 5 Questions to ask before you buy

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EFFECTIVE AGAINST: Small particles and suspended solids such as ferric iron, clay, silt and sand, and some pathogens such as bacteria and viruses, and colloids (suspended matter).

NOT EFFECTIVE AGAINST: Any dissolved contaminants such as nitrate, dissolved iron, sodium, and volatile organic compounds (VOCs).

Contents 1 How drinking water filtration works 2 Types of drinking water filters 3 Cartridge sediment filters 3.1 How cartridge sediment filters work 3.2 Types of drinking water filters 3.3 Capacity of drinking water

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EFFECTIVE AGAINST: Some heavy metals, dissolved solids, some bacteria and viruses, inorganic materials such as nitrate, sodium, fluoride, and sulfate, and some toxic organic chemicals.

NOT EFFECTIVE AGAINST: Most volatile and semi-volatile organic compounds (VOCs), and some bacteria.

Contents 1 Distillation 1.1 Principles 1.2 Types of Units 1.3 Maintenance 2 Other Considerations 3 Questions to Ask Before You Buy

Distillation

Distillation is …

Contents 1 First step: Test your water 2 Second step: Be a wise consumer 2.1 Were the water tests adequate? 2.2 Other consumer protection concerns 2.2.1 Choose a reputable company 2.2.2 Choose a certified product 2.2.3 Second opinions on treatment recommendations 2.3 Other questions to consider 2.3.1 Is whole-house or just single-tap treatment needed? 2.3.2 Will the unit produce enough treated water daily to meet household needs? 2.3.3 What are the total purchase price and expected maintenance costs of the

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