Following paully22's lead in one of his posts, I am rooting in a small aquarium. It's especially effective with the new baggie method. I made these baggies from grocery bags with a vacuum sealer. I fit about 40 baggies tightly in a 20"L x 10"W x 12"H fish tank. There is about half an inch water under these baggies, but these baggies are elevated and do not contact the water underneath. It has been a week since I started. The cuttings are doing pretty good.

See attached picture.

i grow chickens in a fish tank. Never thought  of figs in it

Nice set up...best of luck...looks nice and humid in there...are you using any kind of heating device to help with that?

Were are the fish? Lol

I am not using any heating device. I leave it in my basement, right next to the boiler room. It has an ambient temperature of around 70 F. I noticed roots coming.

Hi Will. I hope you don't mind me sharing my experiences with aquariums on your thread. 

I've been using aquariums as rooting chambers for 4 seasons now. They have worked just fine for me. It's basically the same as many others do when using plastic sweater boxes, etc. The one advantage I like is being able to see into them without removing the cover. Still becomes somewhat necessary though because of the condensation on the sides as well as to let things breathe a little.

I also kept the bottom of the tank wet and elevated the cups so they wouldn't get soaked in the water. I used layers of newspaper in the bottom to help hold moisture longer.

Here are a couple pics of mine from the 2009/10 season. As you can see, I'm not afraid to recycle anything that makes a suitable container ;-) :

Bill, thank you for showing your aquarium. I like the fact that I can see through easily to monitor the humidity and progress too. Your aquarium is way bigger than mine!

Good luck

Will.

I have a few aquariums left over from my fish-keeping days. I only have two in service as rooting chambers right now but the ones I do have range in size from 20 gal to 55 gal. I'm glad I had them on hand since they work pretty well for propagation purposes. 

The one big draw back I've had with this set-up is too much humidity. At times I've seen it as high as 99%. I usually just lift back a corner of the cover until it gets to about where I like it. Too much ambient moisture can cause mold to develop on the leaves or even on the cuttings themselves. Letting the moisture levels drop for awhile usually seems to remedy that issue.

Bill, thank you for your tip on watching out for humidity. My cuttings haven't been there for long; it has only been 10 days. Many of them have started budding and/or rooting. All my cuttings, except for those terminal ones, are wax-sealed on the top. I am airing it out for about an hour everyday. So far I haven''t seen any mold yet; waxing must have helped. I will pay more attention to humidity as it progresses. 

I like rooting cuttings also, outside near a building using a 5-20 gal aquarium.  They can be purchased often at great prices from garage sales and flea mkts.  I dig a 6 to10" hole the size of the aquarium and fill it with a mix of soil removed, sand, bark chips, peat moss, perlite.  Water the mix in good, and check for good drainage.  Coat the inside glass with clay mud, water mix or white wash, anything to provide some shade. Fig cuttings long given up on will sometimes root in this environment.  After your choice of cuttings are inserted, invert the aquarium or bottom side up and cover the cuttings.  This is a cost effective method to start cuttings from early spring till late fall using very little space.

I have done well using the aquarium - both winter rooting(indoors) and in late spring/summer(outdoors). During late spring/summer, I root cuttings outdoor. Simply invert the aquarium leaving an air gap at the bottom with wood. If it is a hot day, make sure the air gap is larger otherwise newly rooted cuttings will die. During this time I root cuttings directly into cup with perlite & top soil mix. I keep the aquarium under partial afternoon shade but full sun for morning.