What kind of Media are you using. What works the best for a heavy load? Light load. Best water clarity. Get technical. Use all the words nobody understands. Make it fun.
There are quite a few people that own either the 2260 or 2262. There are a 'few' threads already profiling what media choices are being used so that may be why you haven't gotten a response.
For the record, I'm using one 2262 and two 2260's.