maxilaria said:
You're adding tangs to the list with ribbon eels and nudibranchs?
Hmmm, I have kept some tangs for years with few problems, but I agree with the seahorses; special care required with those for sure.
As I said, the key is being willing to provide whatever you keep with a suitable environment/light/food.
Brian, as far as crushed coral goes, the practice of vacuuming is usually used when an undergravel filter plate is employed. The CC must be cleaned periodically to reduce impaction/detritus build-up. This is still a workable technique, but old school for sure. Newer success is well documented with live sand; particularly deep sand beds (DSBs) and algal filters which have been proven to reduce nutrient and nitrate buildup. There is a major shift to natural systems employing DSBs with algal filters housed in reverse lighted sumps or refugiums. You will do well to look into this, since you are already using LR anyway. IMO, you would do well to shift to such a device and afterward slowly reduce the CC bed to less than an inch. It seems you are kinda caught in the middle of old school (cannister) and newer techniques with your system. That's not a bad place to be; indeed we are all constantly learning and there are many options out there.
You're headed in the right direction.
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