My first experience, moving from primary to carboy, was not good. I was holding the pump in one hand, trying to keep the cane steady with the other (and not too close to the bottom of the source bucket). It worked fast but I spilled quite a bit when the pump started to slip out of my hand. Next try, carboy to carboy, went better but got a bit too much sediment. I then tried filling bottles but juggling the pump was dicey, so I left it on the tabletop but it would vibrate to the side and could have fallen. Mounting to a wall or fixed bracket isn't an option due to my "fluid" working environment (wherever my wife lets me work that day. :-)
To solve the problems I designed some 3D printed "accessories".
The first is a pump bracket consisting of a "collar" with two arms at an angle and connecting to a flat plate with screw holes for mounting the pump. The collar is easily slipped over the neck of a carboy, the arms reach to the side of the carboy, and the pump mounting plate is then held vertical next to the body of the carboy. With this in place all I have to do is work the switch and monitor the progress. This is great for filling bottles too, by setting the pump (with collar) over the carboy neck, putting the cane into a two-part "bung" (also published on Printables.com, see below), and then just using tubing to reach the bottles. No more bottle-filling-wand. In the past, that wand plus the manual cane/siphon would usually make a small mess, as I tried to work the siphon while trying to press the wand against the bottom of the bottle so that liquid would flow. Ugh! The pump eliminates the juggling and a wand is no longer needed at all - just flip the switch on for about 11 seconds and the bottle is full. Turn the switch off, move the hose to the next bottle, and repeat. Operating the switch is easy now that I don't have to juggle the pump or worry about it vibrating off the tabletop. I can move wine from carboy-to-bottles (about 30 of them) in just over 6 minutes, with no mess, no juggling, and NO lifting the carboy. You may get a bit of air / cavitation in the first bottle or so, but if you let the bottles sit for 15 minutes before corking it'll be gone. You'll need that time to boil the corks and setup the corker anyway.
The second is a two-part print that holds the cane in place over the bottom of a carboy, a bit above the sediment. The first part is shaped like a rubber bung but with a notch that fits the cane diameter. The second piece slips in alongside the main piece and keeps the cane vertical. If printed with flexible filament like TPU, you can raise the cane and hold it in place by pressing down the insert. That second piece can be quickly slipped out when the liquid level gets very low so that you can move the cane around a bit to "slurp" the rest of the liquid and/or sediments if desired. With the "latch" removed, you can even remove the main part of the bung for maximum movement.
I posted the print files to printables.com where you can download them and try them yourself. The printing details (type of plastic, infill, support method, etc.) are given there too. The URLs are:
https://www.printables.com/model/1166247-wine-carboy-pump-bracket
and
https://www.printables.com/model/1166297-wine-carboy-two-part-bung
The pump works great, is easy to clean, and with the attachments is now even easier to use.
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