05-20-2008, 08:02 PM
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It's great to hear that I have another satisfied customer.
I can assure you that it will last many, many years. I took one apart that was used in a heavily stocked tank for 3 years and there was no appreciable build up at all. Other than the bacteria there was just a very, very fine layer of what looked and smelled like silt or dirt. It was really just a dusting on the bottom of it and clearly it would take decades for it to build up to any measurable degree. Even then I doubt it would inhibit the performance of the filter.
I have many users who have had the filter for 4-5 years with no issues. One I know of is a Dr. Silva who told me it was working great after all these years. He was one of my very first customers. I have made many improvements to the filter since then and I offered him a new one at cost and he declined saying the old one was doing fine.
The pump might need to be replaced every 5 years or so and the tubing might need to be cleaned out every 5 years but that's about it.