Commented: Silver philodendron problemsThe first thing to come mind is a water problem....which is usually the case.
Good question put by Pirate Girl, does the pot drain well and do you let the water that drains sit under the plant's roots...
Commented: Houseplant barrage (questions)Of course your plants are doing OK now...they are practically new...they haven't have a chance of suffering from the care you give them.
Suffer.....yes....you are definitely going to pay the piper in ...
Commented: winter vacation care for houseplantsFar from blaming the soil---you can safely and with good management, grow a plant in nothing but water---soiless mixes are the thing nowadays.
Whenever a plant suffers.....blame the soil---its has to ...