Hi m from delhi (india) 5 week ago I have set up 14 gallon low tech tank with amzon sword, jungal val, dwarf saga, water sprite (tank helight 15 inch, length 18 inch, width 12 inch) I used 10 watt led bulb colour tem 6500k bt I have noticed that my amzon sword leves Turing transparent, jungal val turing brown from top and dwarf saga also turning brown frok top . I have just used root tab under sand . Pls suggest me what shoul I do to solve ds problems.