Hello All!!! I have been trolling through the site and found some really cool stuff on here. I have a 40 gal tank and I recently just upgraded by 10 gal to a 20 long and now have a 10 gal empty. I am really interested in sumps but have yet to find anything that takes me step by step. Does anyone here know how to create a sump from scratch (with details) or know where i can find a good guide site? Thanks for your help and i look forward to hearing some great advice.