Ah I see, many thanks. Would you know whether there are "shrimp-safe" paints available anywhere? Or is that a ridiculous idea? I haven't actually made the thing yet.
OK, slightly odd question. I'd like to put some things in my tank that I've made, but I'm wondering whether the shrimp will be susceptible to enamel paint or glue. Am I right in thinking the enamel will be OK as long as it's got no copper in it? And will plastic cement be a problem? Any ideas apprec...