i have to move my rays too from a 180 to 300.. i hate to buy a net just for swapping from tank to tank... what i did was went to my LFS and asked them if i can have 4 largest shipping bag they have and if you know them well they will just give it to you.. then when i got home i just open a wire clothes hanger up and made it into a O and then i just push my male in first.. he went out and into the 300 without a fight.. then my female gave me a little fight with a small pin hole leak but the 2 tank was 10' away from one another.. last is they do have pumps that's submersible well over 3000gph.. the laguna 4280 pump @4' height pushes 3487gph..


