Can you suggest a homemade recipe for electrolyte replacement for bowel prep?

Can you suggest a homemade recipe for electrolyte replacement for bowel prep? At home we have sodium chloride, potassium chloride, potassium citrate, calcium citrate/malate, honey, sugar, dicalcium malate.
The bowel prep is split dose magnesium citrate and bisacodyl. I’m 74, my eGFR is over 90. Now and then–occasionally–my sodium or chloride my be 1 or 2 points low. Thanks.

Age:74
Male
Medications: Aspirin 485mg/daily