1 It's more yellowish than the other greens of St. Patrick's Day. 2  Some shade of yellow or Gold is sometimes improperly used in place of the orange in the Irish flag. 3  Gold is the color of the coins in a Leprechaun's pot o' gold at the end of the rainbow. 4  It may be called gold or golden yellow.
If the filter pressure continues to run high with reduced water flow to the pool, the pump may be moving more water than the filter is designed to handle. Check the flow ratings of both the pump and filter to ensure they are sized correctly. You may have a blocked or plugged return line.
1 Install a timer on your pool pump and run only as long as necessary each day to keep the water clean. In general, run your pool pump eight to 12 hours during the summer. During the winter, only six to eight hours are necessary.  Clean strainer baskets and filters regularly to help your pool pump run more efficiently.