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Ok. It would be hard if you wanted to move the rocks around alsoI usually just fit the rocks together to where they are stable, but gluing them isn’t an issue either.
So would you say I need to?I do only when I want to make stable structures
So would you say I need to?
I would say depends entirely on your structure. If its stable and sturdy you don't need to glue it. But if you have an aquascape that can be knocked off easily when you put your hands in the tank, or toppled by big snails or conches going in the cracks or something like that I would glue them. Last thing you want is a rock falling and cracking your glass. In my tank I glued some and just placed some others.So would you say I need to?
Ok. Maybe I’ll only glue the ones that I’m worried aboutI would say depends entirely on your structure. If its stable and sturdy you don't need to glue it. But if you have an aquascape that can be knocked off easily when you put your hands in the tank, or toppled by big snails or conches going in the cracks or something like that I would glue them. Last thing you want is a rock falling and cracking your glass. In my tank I glued some and just placed some others.
Ok. I want a starry blenny and a watchman goby if that makes a differenceAlso depends on what fish you want to keep, certain fish will definitely knock over loose rocks and structures.
The goby will burrow under the rock, so if it's not extremely stable you could have problems.Ok. I want a starry blenny and a watchman goby if that makes a difference
My watchman goby burrowed almost all the sand out from under one of my largest rock structures and barely leaves. He is on a sandbed, but it's a very shallow sandbed he made for himself by rearranging my work. Different fish have different behaviors, even in the same species, but I think it's safe to say most gobies are going to move a significant amount of sand around. So I just wouldn't rely on sand to hold rocks in place.Watchman gobies prefer to stay on an open sand bed, and starry blennies like to perch on rocks. You could take those needs into consideration when creating your rock structure.