well. 4-5 is retail on figi rock....from what I have seen. And my rock is a lot nicer than fiji. Also, when you buy from a fish store. you never know what you are going to get for hitch hikers. And I have yet to find a store that has aiptasia free rock. Mine is aiptasia free. and covered in nice coraline cause I keep a realy nice set up. That being said, I will take offers.