Medium to low indirect light. Direct sun will cause sunburn.
Keep your ctenanthe moist but not saturated or soggy. Extended dryness will lead to brown leaf tips. Curling and drooping leaves are signs of underwatering. Water with filtered water.
Ctenanthe love humidity and to be a little warm (60-80 degrees). Keep them near a humidifier if possible, they also love being in a bathroom or kitchen. Keep them away from heaters, air conditioners, or other drafts.
Pests & Problems
Ctenanthe are sensitive to the salts, minerals, fluoride, and chlorine in tap water. Water them with filtered water or tap water that has been allowed to sit out overnight. Browning leaf tips & edges are signs of this sensitivity. Ctenanthe can be prone to mealy bugs, white fuzzy patches are indicators of this. Remove with an alcohol soaked q-tip.
Yup, ctenanthe are non-toxic to pets.