This stain comes from the chemical copper. Copper is present in your home plumbing and may be being dissolved into the drinking water. If you would like to have your water tested for Lead and Copper, please contact the Portland Water District.

The chemical copper is where this stain comes from. The copper is probably present in your home plumbing and is being dissolved into the drinking water. The conditions that cause copper in water may also introduce lead into drinking water. Excessive amounts of either lead or copper may cause health problems. See similar questions...

Yes. Drips waste a precious resource - water, and it costs you money. As an example, if you have a faucet that drips 60 times a minute, this adds up to over 3 gallons each day or 1,225 gallons each year. To fix a leak, call your local plumber. I can dispose of hazardous chemicals down the drain, right? The wastewater plant is responsible for clean up. Wrong. Hazardous materials such as oils and paint thinners disrupt the collection system and the treatment plant. See similar questions...

Blue-green algae grow when conditions are right: when nutrients such as phosphorus or nitrogen are in the water and waters are warm and calm. That's why blue-green algae are most common in Florida in the summer, with its high temperatures and abundant sunlight. Blooms can occur at any time, but most often occur in summer or early fall. Blooms are less likely to occur during the winter. See similar questions...

This is a very common question in the summer. In lakes that are over-enriched with nutrients like phosphorus and nitrogen, algae tend to prosper and create "algae blooms." One group in particular, blue-green algae (Cyanophytes) can be quite bothersome. Blue-greens tend to form large colonies that float on the surface of the water. See similar questions...

It is typically copper. The water is being aggressive and eating the copper plumbing. It will need to be neutralized. We recommend using an automatic solution feed system to correct this problem as it is fully adjustable should the water parameters change. See similar questions...

This indicates that the water is corrosive and usually acidic. Acidic water can leach metals from pumps, piping and fixtures. If left alone without treatment it can cause leaks in copper pipes and fixtures. Acidity is measured on a scale of 0-14 with 7 being neutral, less than 7 is acidic and above 7 is basic. Treatment methods are pH-neutralizing filters or chemical feed systems that add alkalinity to the water the WATERMAX can also be set up to neutralize the water. See similar questions...

A. Blue-green water could be an indicator of high copper levels. To discuss the problem, first contact your water supplier. After talking to your supplier, you may also want to contact your local DEQ regional office for more information. See similar questions...

Green water is caused by unicellular algae. Cut back on the light. An algaecide such as Acural E may be used. As with bacterial blooms, U.V. sterilizers are the best cure with no down side. See similar questions...

In most areas of the country, the water we use for dishwashing or showering is considered waste water or "gray water". It should not be dumped directly on the ground, but disposed of in an environmentally friendly way. This would include capturing it and transporting to a dump station. If dry camping follow the "scout" rules, dig a hole at least 8 inches deep well away from any water (stream, lake, pond....) and dispose of gray water in this hole. See similar questions...

OxyAction MAX has been extensively tested and does not stain clothes, when used accordingly to directions. See similar questions...

This answer can vary from place to place. Most drains are either connected to a sanitary sewer system or septic tank. The sanitary sewer carries the wastewater to a treatment plant where it is processed to reduce and/or remove the wastes. After processing, the treated water may be released to the groundwater or surface water. Any place served by septic tanks must observe some special precautions. See similar questions...

If water is left standing anywhere on your stainless steel sink, it will evaporate and leave a film (spots) on the surface of the steel. This film can be removed with regular dish soap and water and a soft cloth. For removing heavier residue, you may use a mild solution of vinegar and water. Be sure to rinse thoroughly and towel dry. Sink tip: Regularly rinse and towel dry your sink after use to keep its surface exposed to oxygen. See similar questions...

There are many causes of tooth stain or discolouration. Some of the most common include smoking, coffee, tea, red wine, berries, etc. Any food or drink with colour will stain teeth. Antibiotics consumed at an early age, natural aging, and trauma can also add to stain or discolouration. See similar questions...

Stephen: We don't promote consuming anything that has been denatured -- even in the slightest bit. Pills and powders are not natural, of course. If you want to eat algae, go to a lake and eat raw algae as other natural creatures do. All the information and pseudo-science fed to the masses about the supposed "benefits" of these denatured supplements is erroneous, hypothetical, and inspired by greed. See similar questions...

Well, the grass is not always green (especially on ones own side of the fence) and the sky is not always blue. Have you ever lived in Seattle? But the answer to your question is "selective absorption and reflection." It is a lesson in the physics of light you are asking here. To begin with we will use the sun as our light source..bulbs and lamps have filters,lenses and such that affect the colour of the light. See similar questions...

Mufin MusicFinder from MAGIX: Automatically discover and play music to match your mood and taste on PC and players. See similar questions...

Blue-green algae, also known as cyanobacteria. They are the reason that sometimes water seems green in color. In small number, they make part of balanced natural water ecosystem. But in large numbers they can cause serious water-quality problems, such as, bad odor and thick scum. When present in extremely high quantities they can produce toxins fatal to human and animal life. See similar questions...

What's the advantage of using a green screen over a blue screen? Isn't it the same technique, just different colors? Perhaps a green screen gives less of a green fringe around the subject than the sometimes noticeable blue fringe. A similar question was also posted by Mark Whitney: I wonder though why blue was used exclusively in the old optical days, even when the foreground was blue colored. See similar questions...

It's part of celebrating our past ten years. In that time our hair dyeing fundraisers have racked up over $60,000 for charity! There's been three in the past, "Green Week," "Put Red On Your Head" Week, and "Make Your 'Do Blue" Week. So this event is paying tribute to the past ones by allowing you to pick your favorite color. See similar questions...