We are looking for a reservoir with the possibility to have a different solution in e.g. the first and/or last column. The closest I came was this one: Click Here but I guess the barriers in the reservoir do not have the flexibility to be moved to another position?!
Any hint or help is highly appreciated!
Your link didn’t take me anywhere but a selector at ThermoFisher.
Anyways, I’ve used Axygen reservoirs for the purpose you describe. They can also be useful for reagents that are somewhat precious and you just want to distribute them with 8 or 12 tips at a time.