I've heard good things, and so this is my next step, but I have a 32 oz bottle of Bontrager TLR and at 1.5-2 oz per refill, even with two bikes that are tubeless, that's a couple of years before I need another bottle.

Then again, with my 32oz bottle of Stan's, the rubber had settled like a wad of chewing gum on the bottom of the bottle after about a year. So, we'll see.