I have a sour apple monti, wondering where to place him, I have 2 t5 HO one day and one blue bulb. 29g tank, I put him at the middle and his color was turning from a bright green to a dark brown. any idea on lighting or placements? can't do LED or MH. my birds nest is up top and doing fine though. flow is med where he is. placed him up top but not seeing much improvement.