i believe people should give more details on their system when answering. Answers may vary from a LPS to a SPS tank, mix reef, Fish only. could be different answers also for different size of skimmer vs tank volume.
my 2 cents.
i have a 85 gal, SPS only system, with a 25g LPS system, all hooked to my 40B sump. I run skimmer 24/7 except for 2 feeding periods of 30min. i may stop my skimmer longer when feeding reef roid, phyto. skimmer is a ice cap k-160.
also, i would consider my current fish load low to medium.