Why are the leaves going brown? We have put the plant in filtered light indoors.
Certified GKH Gardening Expert
This is likely due to watering issues.
The plant should be watered when the soil is dry. Rain water is ideal for this plant but you can also use distilled water. If you use tap water, make sure it sits out for 48 hours before using is help from salts building up in the soil.
Here are some links to help you.