Title: Watch for cracks near the transducer plate - this will cause a leak.
Review: You never know when you read a review if the person leaving it is just dumb or if they had an issue you're likely to encounter yourself. I might well be dumb, but it doesn't take too many smarts to realize that if there's a crack in the white plastic around the transducer plate (which is underwater), you're going to have a leak. It also doesn't take a genius to realize that the plastic surrounding a metal plate that is vibrating at ultrasonic frequencies might be prone to cracking.Long story short: If you buy this, run it inside a dish that can hold about twice the volume of water in the tank above. I got a crack within the first 3 hours, but it could happen to yours at any time.
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