Try making your own ....
Water Levels

Water Levels

We're so confident that the WatrLevel is such a great tool that we will not only will show you the competition, we will be glad to show you how to make and use a basic tubing water level and how to make and use a reservoir water level. We're quite sure that if you choose to make your own you'll eventually decide to use a WatrLevel ......

basic tubing water level                       reservoir water level

The following is more information on water levels:

Water levels have been in use for a long, long time but they have always been a bit cumbersome to use.  The WatrLevel changes all that due to its' patented measuring staff.

We've provided some links for for you learn more about water levels.  After studying about them, we have no doubt that you'll see just how awesome the WatrLevel is.

Here is an article on how to make a water level.

This one has the Zircon electronic water level as well as a how to make a water level here