Tunnel Rat Posted May 17, 2006 Share Posted May 17, 2006 Hi people I am putting together a 3x2x2 with a sump(bio) & 2217(mech) and thinking of running the sump return to a reverse under gravel filter. What do you think can you see any problems with this idea ? thx for any help. Rat Link to comment Share on other sites More sharing options...
dyclops Posted May 17, 2006 Share Posted May 17, 2006 I would probably go for UG Jets. Similar idea, just a little less messy. Google DIY UGJ or cichlidforum.com is littered with ideas/projects/theory/pictures on them. On a personal note. I have one running. If setup correctly, they're a dream. No more pooper-scooping. Mitch Link to comment Share on other sites More sharing options...
Ash Posted May 18, 2006 Share Posted May 18, 2006 note either of these options can result in a siphon during a blackout - make sure there's a hole in the return line just under the water level. Link to comment Share on other sites More sharing options...
Tunnel Rat Posted May 18, 2006 Author Share Posted May 18, 2006 note either of these options can result in a siphon during a blackout - make sure there's a hole in the return line just under the water level. ← Thats a good point now I think I will run it off 2x 2217 return lines Anybody know of a good under gravel filter or a good way I can make one. thx Rat Link to comment Share on other sites More sharing options...
wui39 Posted May 18, 2006 Share Posted May 18, 2006 Drilled PVC conduit seems to work ok. Pain to do initially though. Link to comment Share on other sites More sharing options...
dyclops Posted May 18, 2006 Share Posted May 18, 2006 Anybody know of a good under gravel filter or a good way I can make one. See my original reply Link to comment Share on other sites More sharing options...
Tunnel Rat Posted May 19, 2006 Author Share Posted May 19, 2006 See my original reply ← Mitch I did read your post and had a look at some of the UGJ systems but this is not what I am looking for. I need slow water movement thats why I was thinking RUGF so the gravel would slow the water down. Have not found a single one yet May need to do the old pvc UGF was hoping for a new way. Link to comment Share on other sites More sharing options...
Eddie Salita Posted May 19, 2006 Share Posted May 19, 2006 Tunnel rat, is this what you are looking for? rugf rugf rugf rugf Just did a search for reverse flow undergravel filters and these were the first four hits. No doubt there is more..... Hope this helps.... Never tried it myself.... good luck. Cheers, Jason Link to comment Share on other sites More sharing options...
Tunnel Rat Posted May 20, 2006 Author Share Posted May 20, 2006 Tunnel rat, is this what you are looking for? rugf rugf rugf rugf Just did a search for reverse flow undergravel filters and these were the first four hits. No doubt there is more..... Hope this helps.... Never tried it myself.... good luck. Cheers, Jason ← Thx Jason for those links but I to have done a google search have read the four post you linked already not much help as they are more to do with the normal UGF not RUGF and the one that is RUGF I do not like the set up pumps dirty water skimmed from the top of he's tank under the gravel I was hoping someone had already done what I was thinking about & could shred some light on it for me. But thx for taking the time to help. I was only looking at this system to keep my gravel clean as at the moment I am not using substrate and it is a dream to keep clean but with the new tank I am going for a natural look with substrate. My idea was send water already filtered by two 2217 down behind my back ground(back to nature type) to a R U G system to send clean water though the substrate keeping it cleaner. If anybody thinks this idea is not going to work please tell me why. cya Rat Link to comment Share on other sites More sharing options...
wui39 Posted May 20, 2006 Share Posted May 20, 2006 Probably easier to use a powerhead to pump the water. Takes a bit of pressure off the Eheims. Link to comment Share on other sites More sharing options...
Colfish Posted May 20, 2006 Share Posted May 20, 2006 Takes a bit of pressure off the Eheims. ← i'm also concerned with the amount of back pressure that the Eheims will have to overcome. canister filters are not suitable for this heavy duty job JMO; Colin Link to comment Share on other sites More sharing options...
Josh Posted May 20, 2006 Share Posted May 20, 2006 If the only reason you are doing this is to reduce current then why not just split your return line and have three or four returns in to the tank? Josh Link to comment Share on other sites More sharing options...
Tunnel Rat Posted May 20, 2006 Author Share Posted May 20, 2006 Probably easier to use a powerhead to pump the water. Takes a bit of pressure off the Eheims. ← Yep you are right there need to think this hole idea over i'm also concerned with the amount of back pressure that the Eheims will have to overcome. canister filters are not suitable for this heavy duty job JMO; Colin ← Bad idea by the looks thanks for the info If the only reason you are doing this is to reduce current then why not just split your return line and have three or four returns in to the tank? Josh ← The main reason I was thinking of this was to keep the gravel clean can slow the flow no worrys. Looks like I will run with no gravel or very little and forget the hole idea as I do not wont power heads in the tank. thanks for all the help guys Rat Edit: Fixed quotations Link to comment Share on other sites More sharing options...
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