Before and After

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200 Gallon 1/4 inch Aluminum day tank  on 100ft Fiberglass Yacht. This tank was NOT leaking, and the engines ran fine at the dock......

Sump of 1000 gal aluminum tank on 90 ft yacht. This tank WAS leaking. (We repaired it of course.)

Leaky tank on a Bayliner

Engine room preparation for Sale

Tollycraft engine room BEFORE

Tollycraft engine room AFTER, coated with tank repair epoxy

Before/After on a tank cleaning. 

Over 70 gallons of fluids and water left in the sheriff's bilge after a hydraulic leak and turning off bilge-pumps

After pump-out and bilge clean on the Sheriff's boat

Diesel Tank had corroded to the point of leaking through.

After full repair

The light colored debris in this aluminum tank is TANK! When aluminum turns into aluminum oxide it expands may times. 

Fiberglass tanks do not normally have much biological growth, but this one did!

Sometimes black steel tanks look pretty good under the sludge.