The Thetford Level Gauge Cleaner will keep your electronic tank monitor reading accurately. This patented formula will eliminate level sensor problems caused by tissue, waste, sludge, and soap scum build-up. For the best result, use regularly. Safe for all waste treatment systems. 8 oz./40 gal. tank.
• NOT for use in fresh water tanks
• Superior probe and tank cleaner
• Works in both grey and black water tanks
• 100% biodegradable
• 19-oz. bottle
Before You Order
Use only for grey or black water tank probes as directed; the source specifically says not to use this cleaner in fresh water tanks.
Frequently Asked Questions
Can this cleaner be used in a fresh water tank?
No. The product description says it is not for use in fresh water tanks.






