So I have a 40 gallon breeder

[Hempknight]

I am running a fluval 306 canister and was thinking of going to a sump but I have to be careful with bring on the third floor for the weight what size would you recommend

 

[Shelbytwp123]

20 gallon long or tall depending on you stand and room required . This is my 40 with 20 tall sump

 

[Hempknight]

Looks pretty good

 

[Shelbytwp123]

Works pretty good so far "knock on the wood"

 

[Hempknight]

Lol thank you very much

 

[OR_duck_reefer]

Nice I have the same setup