Posted: Mon Nov 27, 2017 8:17 pm Re: Transporting red eared slider
A he 18 so must be about 8" or so. I would "not" use his tank to transport him , be moving around to much and stress him out. I would get a cardboard box about 12-14" square and place a towel in it giving him something to hang on to and or hide under. About half way take him out and use any bowl with clean water so he can take a drink if he wants or just let him get wet a little while to rehydrate then back on your way. Don't use a plastic tote he will slide around to much cardboard is better with a towel. 10 hours not that long of a trip for him , he will do well.
He may make a mess in it with #1 and #2 so use an old towel !