My GSP has not been extending out for the past 2 days while my Xenia , mushrooms , and button polpys look fine. Is this sometimes normal do they do this and if not can someone give me any suggestions? The only test kit i own is a normal Saltwater test kit and ammonia reads 0 nitrite 0 nitrates around 30 PH is reading at 8.2. Ohh these are under Normal Output lighting and the have been growing and spreading until yesterday.