Unsightly black stains on shingles are often mistaken for fungus, mildew, dirt or oil, but are actually caused by a hardy type of algae. This common problem has increased during the past 20 years, indiscriminately settling on rooftops from coast to coast. Dark algae streaks are visible when algae cover the normally vibrant colors of white, cobalt blue or hunter green roofing granules.

This product should be used at the first onset of symptomsto avoid further discomfort or irritation. The products shouldespecially be used at night, in the morning and after eachbowel movement. See similar questions...

Unlike many cosmetic companies that prescribe layers of products, Skin Biology products do not have any “hard and fast” rules or a special regimen that must be exactly followed to yield results. We do make certain recommendations, but if you find something that works better for you and are seeing good results, stay with that routine. See similar questions...

If the weeds are growing on the ground at the shore or are above the waterline, use PondMaster® Surface & Shoreline Herbicide. For submerged weeds, use PondMaster Aquatic Herbicide. PondMaster Blue is a colorant that will also help control aquatic weeds by restricting the wavelength of sunlight penetrating the water. See similar questions...

Yes, sometimes, the grain is present due to the nature of the wood. The black streaks are sometimes the result of pronounced grain in the wood and can be attributed to mineral deposits in the wood. These streaks are not defects in the wood and are only natural. See similar questions...

These discoloration streaks are commonly caused by algae growth and though they can be somewhat unsightly, do not impair the water resistance of asphalt shingles. If you live in a geographic region where this is a common occurrence, you may wish to consider using specialty shingles with built-in resistance to algae discoloration. See similar questions...

No. Although the ABLEDATA staff is well versed in assistive technology and several of us use assistive devices, we are not qualified or permitted to prescribe or recommend items. You'll need to talk to your therapist, doctor, or other medical professional for that. Once you know what kind of device(s) you need, we can help you locate options. See similar questions...

If you chose No (or Deny) when presented with a security warning while trying to view a Product Tour, the applet may not have the necessary permissions to run within your web browser. Please see Product Tour FAQ #3. The Product Tours are showing replays of actual events in a continuous loop demo. There is a short pause in text delivery when each demo transitions reaches the end of the transcript and starts over at the beginning. See similar questions...

FFFG -- used in black powder pistols, cap and ball revolvers and muzzleloading rifles of 45 caliber and smaller, See similar questions...

Your car is not unlike many other cars, especially if you live in an industrialized area where "acid rain" is prevalent, even your home sprinklers can damage your finish if the water droplets are allowed to dry on the surface. Gliptone Pro Buff® is an excellent cleaner wax designed to remove water spots, embedded dirt and light to moderate oxidation from all paint types regardless of color. See similar questions...

In most cases, you cannont use a Windows viewer to view the maps properly. You need to have GIS viewing software installed (see question 7. & 8.) or open the maps in a photo editing program like photoshop. See similar questions...

Synthetic dyes are best. The 'Ritt' dye rarely works well and tends to be coloured, though it isnt available in the UK. There is a japanese semi-natural dye (Ginsa?) which is not bad if you can get it. As for tips on how to actually dye clothes with this: Don't use a Washing machine. Get a big pot (no, not that one, I said a BIG POT. Put the object in that you wish to die, and fill it with enough water to cover the object and then some. Remove the object. See similar questions...

I am not aware of anyplace to find good objective reviews. Most magazine reviews read like advertising copy. Most manufacturers build several different models that range from the less expensive entry level units to the higher-priced deluxe models. Some of the entry level units have quality construction but lack the more costly features and options. See similar questions...

Home and Recreational Vehicle (RV) units are designed and manufactured to U.S. national and international standards for specific CO levels and operating characteristics. These levels and operations are substantially different from those needed for aircraft use. Also, home/RV units do not correct for altitude. In addition, many do not correct for relative humidity and/or temperature. See similar questions...

With all the comforts of home on board and ample storage space, these versatile vehicles are the perfect complement to just about any sport, hobby or activity you already enjoy. Whether you're going after "Old Granddaddy" at a secret fishing hole or stalking big game in the mountains, an RV is a great base camp. After a long day in the field, a nourishing meal, hot shower and restful sleep in a comfortable bed is just what's needed before the fun begins the next day. See similar questions...

Go back over the car again with NO-WET using two clean cloths. This time, when you mist NO-WET onto your car, rub in a circular motion and then remove the haze with the second cloth. You will be truly amazed-this simple technique can add hundreds of dollars to the value of your car. NO-WET actually works as an anti-static. Since there was lint in the new cloths, NO-WET did not know where to put the lint, so the lint ended up on your car. See similar questions...

Polished Nail Systems is very easy to soak off. Properly done, it should take only 10-15 minutes. Since this is only done once every 6-8 weeks, this is actually much less salon time spent than drying polish weekly or bi-weekly. Put client's hands in acetone for 10 full minutes without removing them and cover with a towel to retain body heat See similar questions...