Thks all bro for the advice,my pink rose anemone is not big around 3-4 inchs but i do hv 1 more normal green tip anemone around 5-6 inchs so far so good it stick to the lr i place.Btw my tank is 3X2X2 and sump tank is 2.5X1.5X1.5,right now i hv not turn on my skimmer yet cos no fish at the moment,should i ture on now incase my anemone die cause ammonia spark?