The seldom seen green flash occurs just before the last part of the sun disappears from view at the end of the 15 second clip. According to NASA, the almost-mythic spectacle is caused by the atmospheric bending and scattering of sunlight.
There are some products for the fountains which remove the suds easily. They are found in the market and they are dissolved in the substances that cause the problem. The organic material left on the tap of the fountain mostly causes the suds. You can use the towel to soak the suds from the place. To remove the soap suds you can use the wet vacuum cleaner gently. You can use silicon which is a great anti foaming agents. Try to add little bit of salts that also prevents the growth of the suds. You can also use vinegar. Just a capful of vinegar is enough for a wall fountain to remove the suds.
Directions. Pack the onions into 2 (1-quart) jars and add enough water to come within 1/2-inch of the rim. Pour the water out into a measuring cup. Note the volume, pour off half of the water and replace it with vinegar. Add 2 tablespoons of sugar and 2 tablespoons of salt for every 3 cups of liquid.irections. Pack the onions into 2 (1-quart) jars and add enough water to come within 1/2-inch of the rim. Pour the water out into a measuring cup. Note the volume, pour off half of the water and replace it with vinegar. Add 2 tablespoons of sugar and 2 tablespoons of salt for every 3 cups of liquid.