Reefsakes Posted December 11, 2020 Share Posted December 11, 2020 So I've just been going back and forth on whether I want o set up the 80g system in the living room or (since I got the ok) just play with my 30c and look into a 5-6'x 24-30"× 20-24" DT. So that would put me at around 150-240g in the DT plus a 30-50g sump and perhaps a 10-20g ato rez. Putting the weight at around 2000 to 3500 pounds? Should I put floor supports in the crawl space? Looks like tank will be sitting parallel to the joist which wouldn't support the weight properly? Here are some pics. Quote Link to comment Share on other sites More sharing options...
Burningbaal Posted December 11, 2020 Share Posted December 11, 2020 Parallel to the joist is never ideal. I'd consider some cross members to neighboring joists as well Quote Link to comment Share on other sites More sharing options...
Blue Z Reef Posted December 11, 2020 Share Posted December 11, 2020 When in doubt, a brace is pretty low cost and easy. I think I used 2x 4x4x8 (or 10...forgetting), 2 pier blocks, a bracket or two just to help things stay put while I placed everything, and some wood shims to snug it up. Definitely a sub $50 venture for piece of mind. 2 Quote Link to comment Share on other sites More sharing options...
Reefsakes Posted December 11, 2020 Author Share Posted December 11, 2020 4 minutes ago, Burningbaal said: Parallel to the joist is never ideal. I'd consider some cross members to neighboring joists as well My lat 300g display i put cross members for extra support. Looks like I will have to do it here as well. Uggggh I was hoping to avoid having to do that. It's the only spot I can put it too other then my garage. Quote Link to comment Share on other sites More sharing options...
Reefsakes Posted December 11, 2020 Author Share Posted December 11, 2020 2 minutes ago, Blue Z Reef said: When in doubt, a brace is pretty low cost and easy. I think I used 2x 4x4x8 (or 10...forgetting), 2 pier blocks, a bracket or two just to help things stay put while I placed everything, and some wood shims to snug it up. Definitely a sub $50 venture for piece of mind. No doubt. I was hoping I wouldn't have to since the crawl space entry is in a closet. Hope I can get some concrete blocks down and drag some 4x4 through it. Quote Link to comment Share on other sites More sharing options...
Reefsakes Posted December 11, 2020 Author Share Posted December 11, 2020 Actually I can put it on the other side perpendicular to the joist. Would I still need support? Quote Link to comment Share on other sites More sharing options...
Reefsakes Posted December 11, 2020 Author Share Posted December 11, 2020 I am thinking about getting the Waterbox Promax 270.6 72.3"×29.5"×23.6 or 320.7 86.6"×29.5"×23.6 or Cade reef systems. Quote Link to comment Share on other sites More sharing options...
Reefsakes Posted December 11, 2020 Author Share Posted December 11, 2020 Actually I will put it against that wall perpendicular to the joist as there is a heat register there that I can disconnect and run my plumbing into the garage where I can keep the sump. Makea it easier for maintenance and I can implement awc. 1 Quote Link to comment Share on other sites More sharing options...
Higher Thinking Posted December 11, 2020 Share Posted December 11, 2020 Like said earlier, it's a pretty cheap process and provides a good deal of piece of mind. Plus, you may even go larger later down the road. I built supports for my 180 and did so in a way that when I upgraded to the 360, I didn't have to do anything else except add a couple more brackets to prevent joist twisting. Can't tell from the photo, but that span looks pretty long. That's a big part of it, span length. Quote Link to comment Share on other sites More sharing options...
Oregonic Posted December 11, 2020 Share Posted December 11, 2020 I supported my floor for my tank using jack posts and some pressure treated 2x6’s. Was super easy and the jack posts are cheap insurance. https://www.homedepot.com/p/Tiger-Brand-Super-S-15-in-Jack-Post-J-S-15/202222930?source=shoppingads&locale=en-US&mtc=Shopping-VF-F_D22-G-D22-22_9_CONCRETE-Generic-NA-Feed-PLA-NA-NA-CONCRETE&cm_mmc=Shopping-VF-F_D22-G-D22-22_9_CONCRETE-Generic-NA-Feed-PLA-NA-NA-CONCRETE-71700000037162167-58700004133775643-92700034023016548&gclid=CjwKCAiAq8f-BRBtEiwAGr3DgVZYvE7FvDrKHLib0Wo0Em-ZTv4zGIachUAuw0q52aLQujGyRUfZ5RoCWVcQAvD_BwE&gclsrc=aw.ds Quote Link to comment Share on other sites More sharing options...
pdxmonkeyboy Posted December 11, 2020 Share Posted December 11, 2020 It is against the wall and perpendicular you have nothing to worry about. Inspect your joist hangers to make sure they are all nailed. If the joists are sitting on a stem wall even better. 2 Quote Link to comment Share on other sites More sharing options...
Reefsakes Posted December 11, 2020 Author Share Posted December 11, 2020 Thanks all for the ideas! The jack post maybe the way I may go. Something I can easily do myself. I want to say the joist are 12-16' long. The wall is an exterior dining room wall with a big window. And yes if I do want to go bigger or wider I have about 12' of width. Hmmmmm Quote Link to comment Share on other sites More sharing options...
pdxmonkeyboy Posted December 11, 2020 Share Posted December 11, 2020 Fwiw.. i have a pair of really tall jack posts if someone wants them. The go from like 4 feet to about 7 feet. Quote Link to comment Share on other sites More sharing options...
Trigg Posted January 15, 2021 Share Posted January 15, 2021 How old is your house? I’ve never done floor support for anything under 150. I just talked to my contractor and he said if your house is newer then it will handle quite a bit. Quote Link to comment Share on other sites More sharing options...
albertareef Posted January 15, 2021 Share Posted January 15, 2021 On 12/10/2020 at 10:59 PM, pdxmonkeyboy said: Fwiw.. i have a pair of really tall jack posts if someone wants them. The go from like 4 feet to about 7 feet. Hey Brian - do you still have these? They can come in really handy in a 1909 bungalow 😀 Quote Link to comment Share on other sites More sharing options...
pdxmonkeyboy Posted January 17, 2021 Share Posted January 17, 2021 Hey Sean, i might, or i might have chucked them. I can look in the garage sometime today. Quote Link to comment Share on other sites More sharing options...
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