My Dracaena Sanderiana cv Gold's leaves are turning brown and crispy at the end, & a couple of the leaves are fully brown & crispy. Is this due to lack of water? It's amazing to see rare Aglaonema plants in the most random places. This one is an Aglaonema Rotundum found in a restroom in Bohol Philippines. What do you think of this Aglaonema? Amazon.com : Southside Plants Tap Water Conditioner for Houseplants & Hydroponics Remove Chlorine, Chloramines & Heavy Metals, Buffers pH 8 Oz : Pet Supplies Aglaonema Pink Siam Spruce Flowers and Events Bacterial Leaf Spots on Indoor Plants University of Maryland Extension Garden State Bulb Giant Mammoth Elephant Ear Bulbs, 15 17 inches (Bag of 5) Spring Planting