I have a bunch of pitures 35m I have no way of posting them though I was wondering if anyone could help me out? My new skimmer this is number three it works very well no bubble return very thick foam alot of micro bubble size alot of contact time. I made some adjustments I still could make some more but I think it is well enough designed  that improvment would be minimal. 400 cu in of foam at times if my math serves me right. I dont have any height restrictions helped alot. I am overall impressed with the performance of these skimmers. They are tempermental I have noticed if anything gets in the water they quit reacting say when I feed the foam quits I have never noticed this because my skimmer was in the basement now it is behind my tank I thought I would share that.

Sean,  I've thought about doing that (recirculating the venturi air), but I think I've got a CO2 offgasing "issue" as it stands now and recirculating the venturi air would only make matters worse.  I think I can solve the problem by sending some of my automatic make-up water into the air line of the venturi.  We'll see.

Jon,

Check out the venturi that lifereef.com sells.  It's around $15 and it's self-cleaning.

    I am in the research and development stage right now I almost have all the bugs worked out. I have to go to regionals again hopefully the last for awhile. I will get some pitures up asap if my sister in law hurrys I am going to build another skimmer number three hopefully it works to my expectation. I will take pitures from start to finish on this one I think I have all the bugs worked out so anyone wanting to build one wont have to go through what I had to. It works great the only problem it returns to many bubbles and I have been trying to get more control on the foam level in the riser and to get smaller bubbles I will keep you posted on my progress.

maximus, perhaps you could post some pictures for us to see.  I'm always interested in seeing skimmers!  Could you pm me the details of your injector (is it the same as waterboy55's?  He told me about his the other day).

     I made the injector myself. I am very impressed with it do to the fact I made the whole thing right down to the injector it took a couple trys and some throwing some things before I got one that worked well. But now I have a skimmer that will actually do what it was supposed to do. I have had several skimmers to date and this one is a different animal and I just wondeing where I have been all my life LOL.  Anyone want any info on the injector you will have to private message me I will explain there! I would like to still see yours also jon thanks again I had alot of fun building mine.