seahorse tank tied into FOWLR??

[nanoreefer]

iam setting up a 75g FOWLR and i also have a hoddless 24g nanocube tank, iam thinking of haveing them running on the same fuge so its all one big system, then haveing the 24g planted with macro algea gorgonions ect and have a pair of H kuda and pair of pipe fish, but what iam concerned about is the temp ive read on many sites that SH need 75f or lower but ive seen some keeping theres(not sure what kind)at 80 dos anyone keep SH at 78-82? would it realy be that bad for them? or would keeping the temp low hurt the fish in the FOWLR?(V lion, niger trigger, red coris wrasse, eel)if SH are realy out i think i may go with a pair of pipe fish like multie bannded and dragon face and mabie try and keep an orange spot file fish.