some ofleaf tips & edges turning bright yellow,am I missing minerals in the soil? It has recently had spider mites but washed & put outside for a few warm overcast days and was wbatered after soil dried as usual. Otherwise healthy,lives in sunny window 45 degree lat. Fed schultz A/P 3 times in past 2 months.
Make sure you have your plant in a medium to bright light.
A Schefflera needs only a light fertilizer, once a year.
This link will refresh you on the care requirements.