Tip #6 The Water Level
Here's a little info from Pool School on making a water level.
Water provides a perfect level. To utilize this potential, simply buy a clear plastic hose (the inside diameter should be at least 1/2", ( 5/8" is easier to work with). To stretch diagonally across a 20'X 40' pool and allow for 3' and 8' high walls, get 60' of tubing.
Fill the water level with a garden hose, and this means purging it of all air pockets and bubbles.
By placing one end of the tube into the end of a full running hose, the tube will purge itself. The advantage of using clear tubing is that you can spot any air pockets.The simple act of purging the line will leave you with a few inches of air on each end of the hose, which is what you want. You'll need someone to hold one end, and have them hold the level of the water in the tube against a 'master' mark. When the water stops moving in your end of the hose, you've got an exact level.
You'll quickly find that moving the hose can cause water to spurt from either end. Etiquette demands that you cover the end of the hose with your finger as you move from mark to mark.
(photo left) Putting a few drops of food coloring in both ends of the tube makes the water level much easier to see.
Tip #7: Screen Door Key
No serviceperson worth their salt would allow a locked screen door stand in the way of the faithful completion of their appointed rounds.
(photo right) A hooked paper clip serves as the key. Pushed through the screen at the same elevation as the lock and a simple manipulation opens most screen doors. A Vice Grip or other pliers makes your grip that much more secure. A little practice, and you'll even 'lock up' when you leave.
No thoughtful home owner would rely on the security of a screen door lock. A screen is designed to keep out insects, small children and liability lawsuits; any rat with a knife can walk right through screen.
Both tips featured on this page are from our Pool School PRO CD where over 300 topics and hundreds more tips standby to assist contractor and homeowner, alike.
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