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.
Loosen the retaining nut that holds the horizontal pivot rod in place. Remove the horizontal pivot rod from the drainpipe. Mark the spot where the clevis is connected to the stopper rod with a permanent marker. Then loosen the clevis screw. Soak the clevis and horizontal pivot rod in mild cleaning solution or vinegar.lide the clevis over the stopper rod and insert the horizontal pivot rod into the drainpipe. Tighten the retaining nut just enough to hold the horizontal pivot rod in place. Tighten the clevis screw where you marked it before. Test the stopper rod to ensure all the moving parts are reattached.