I wouldn't ever run a closed loop through the bottom of a tank. What do you do if the bulkheads start to leak? I always run them through the top of the back panel where pressure is least.
__________________
Simon
Got back into the hobby ..... planned to keep it simple ..... yeah, right ..... clearly I need a new plan! Pet peeve: anemones host clowns; clowns do not host anemones!
Current Tank Info: 450 Reef; 120 refugium; 60 Frag Tank, 30 Introduction tank; multiple QTs
|