CarefreeClearwater introduction: In the 1960s, NASA’s Manned Space Center (now known as Johnson Space Center) and the Garrett Corporation, Air Research Division, conducted a research program to develop a small, lightweight water purifier for the Apollo spacecraft that would require minimal power and would not need to be monitored around-the-clock by astronauts in orbit. The 9-ounce purifier, slightly larger than a cigarette pack and completely chlorine-free, dispensed silver ions into the spacecraft’s water supply to successfully kill off bacteria. A NASA Technical Brief released around the time of the research reported that the silver ions did not “impart an unpleasant taste to the water.”

NASA’s ingenuity to control microbial contamination in space caught on quickly, opening the doors for safer methods of controlling water pollutants on Earth.

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CarefreeClearwater, Ltd., of Cornelia, Georgia,

obtained NASA’s permission to manufacture a modified version of the Space Agency’s patented Electrolytic Silver Ion Cell for numerous commercial and industrial applications, including swimming pools, hot water spas, decorative fountains, ponds, manufacturing processes, and evaporative water cooling towers.

NASA-derived technology


Enjoy The Pleasure of CarefreeClearwater

Water has been successfully treated with copper and silver for centuries. Enjoy the Pleasure The technology was perfected when NASA developed an electronic system to purify drinking water for use aboard spacecraft for the Apollo missions.

The CarefreeClearwater system electronically releases copper and silver ions into the water where they destroy bacteria and algae – which are then filtered out.

Typical Installation

The ion chamber is usually installed after the filter and the unit is either wired to the pumps power supply or put on a timer.


Pays for itself quickly and costs less than what you’re spending right now. It eliminates exposure to high levels of toxic chemicals.

Money savings

Saves thousands in future chemical costs. Also saves money by eliminating bleaching and other damage to hair, pool equipment and nearby plants and flowers.

Time savings

No more daily testing, dosing and handling chemicals. Automatically keeps your water algae and bacteria free. Unlike other chemical sanitizers, mineral ions are unaffected by heat and sunlight, providing constant and safe water.

Simple maintenance

Ions are pH neutral and will not affect water balance. Periodic water testing and occasional oxidizing are all that’s needed. (Eliminate along with a low level halogen)

Eliminate irritation

No more burning eyes, dry skin, bleached and damaged hair, offensive chemical odors, allergic reactions. Enjoy swimming in refreshing mineral water. Your skin stays soft and healthy.

Extremely Stable Sanitizer Residual

that lasts for weeks! Unlike ozone which only lasts a few minutes and unstabilized chlorine or bromine which only last a few hours. Purifying Ions do not dissipate from heat and sunlight. The bactericidal effect is actually enhanced by sunlight and high temperatures and is not pH dependent like chlorine!

Uses include numerous commercial and non-commercial applications

such as swimming pools, hot tubs, spas, decorative fountains, cooling towers and other industrial applications. For plaster, vinyl, fiberglass and all other surfaces


First developed by NASA to purify drinking water. The solid state electronic controls produce very low current – like several flashlight batteries, enclosed in a weathertight case. The equipment meets or exceeds UL and National Sanitation Foundation (NSF) standards.


for you and your family. The minute levels of copper and silver even satisfies EPA drinking water standards. Copper is a daily dietary requirement and silver has long been used as a purifier.

Lifetime Warranty

Rugged and durable design protects electronics from moisture, corrosion and harsh environments. Reliable solid state circuitry. No moving parts.


Automatic. Anyone can operate or install it. Easily added to existing equipment.


The Carefree Clearwater systems based on NASA’s Apollo-era technology electronically release copper and silver ions into the water to destroy bacteria and algae—which are then filtered out. Unlike chlorine, the ions do not dissipate from heat and sunlight, therefore they are capable of providing a very stable sanitizer residual. The ionization technology substantially reduces the demand for chlorine so that fewer chloramines are formed and fewer chemicals are consumed. This cuts down on undesirable side effects realized in swimming pool environments, such as burning eyes, odor, and bleached or dry skin and hair. Furthermore, the ions pose no health risks, as scientists contend that chlorine can react chemically with organic materials in water to form a class of carcinogenic substances called trihalomethanes.

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