I want to build a pond in my room 84" by 43" by 33". I want to build it out of 2X4s and OPlywood with a piece of glass siliconed to the pond liner. For filtration I will use a pentair aququatics filter system, with sever 500 watt heaters. One thing I am un sure of is glass thickness. I have a large piece of tempered giass that i could put in the system. The setup will house a pair of motoros and a hawiian any comments are appreciated Let me know if this is feasible. thanks 
