I got this beautiful “white philodendron princess” but looks like he is going to grow a little pink if i can get it to. Anyways, i bought it when it had a leaf that was trimmed at the end and now it is turning yellow from it but not sure what to do to help it. Should i trim the leaf right off? Otherwise looks healthy and happy! I also read up that if they get alot of light then it helps produce more white and pink leaves, is this true? I use grow lights, should i keep it right under one & what setting for colors should i have it on to help grow these beautiful white and pink leaves? Natural/yellow light, red/natural light, or white?