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hey that's a terribly good idea, your are right. You could even remove the acrylic plates from time to time to keep the system absolutely scrubbed clean of detritus and the corals would plate over in time to look very matured and part of the integral system when installed. It's cool the corals will just grow to anything you glue them to huh? As you can see, my hydnophora will plate over acrylic just as easy as it will LR or coralline-encrusted surfaces. It's all in the water chemistry, though I know the books say that certain non-asexual reproductive aspects of the coral prefer natural surfaces... Thanks for stopping in Sir
B
concerning the crabs: the green hariy ones are IMO, not the white ones with a little black mask across the face. Now when I say destructive you get the age-old debate like "maybe for you, not for me" but what I am referring to is the scaling of a system and apparent damage based on certain aspects of the system at hand. A crab/shrimp/fish may have varying degrees of destruction (a subjective term sometimes) but the natural behaviors can be more or less pronounced depending on what system they are in...if your shrimps or crab tear a little SPS flesh as they forage naturally, your larger system may regrow that flesh faster with the better lighting, dosing or better system aspects of a larger reef aquarium. But in mine where space is small and growth is slower in scale when compared to a larger reef, that little tear is pronounced and very odd looking relative to the amount of coral flesh in the system. I notice a 1/2" receded area first thing, whereas it may get by the observer if they were working with a 40 gallon setup with large SPS colonies (or at least colonies larger than one branch

)...and, it's rather subjective to attribute destructiveness to the natural behaviors of these inverts as well because the system design sets the stage for rebounding growth and a corals ability to resist stress. IMO all shrimp and crabs can be destructive to coral flesh as they do what they do, picking around for food all day. In a larger nano if a shrimp or crab is resting on a large sps colony it only closes up one portion of it, with the rest of the polyps emerged and doing their job. In my system when a sexy shrimp rests on my sps colony, the whole thing closes up so this is more stressful in my tank than it would be in a larger one. And, due to size, they are more likely to be right back on the same frag in 5 mins vs the journey to the other side of a tank in a larger nano. I'm suprised I get any SPS growth at all considering 5 months of these two sexy shrimp and the fact there's still one green crab left in the system I can't catch! I see him late at night sometimes snacking around the edges of candy coral heads, and stressing them hardcore during the process. Gimme a month, there will be two cages in the back@!