We supply sandbags however they are specified by our customers.
All gaffers tapes can leave a residue.
This is impossible to answer, as it depends on many factors. You can be assured, however, that the ProCell batteries supplied by TMB, are the best batteries available and that they are fresh and will give you the maximum life expectancy. There are some good after-market fluids available, but it is definitely a situation of buyer beware. Regular fog juice will not work and may damage the DF-50. There is 100' per hank.