Ok, I put my thinking cap on.... 1. I assume you want to keep it cheep- how about an overflow tube that goes straight down through the undercover? You'd need to drill a hole in the side of the tank close to the top and install an elbow and a length of tubing. Carry a bucket to keep things neat. 2. A wire - float system, bent to pass through a small hole in the tank. You'd need to cut a slit through the undercover and install a E -F scale under the piano... 3. Install a level tube. Drill hole near bottom of tank, run tube to vertical installation on side of piano, mark line for fill level. Any help? Ron Koval Chicagoland _________________________________________________________________ Is your PC infected? Get a FREE online computer virus scan from McAfeeŽ Security. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963
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