i am goin to b moven my 125 gallon and i found some 55 gallon barrels that used to have fruit juice in them i will clean them out really good beofre i use them im just concerned that everything will b ok for the water chemistry..... the fish will not b in the barrels just water the fish have another barrel to go in that is 100% clean anyone can give me some info would b great ....guy said orange juice and lemon juice where the main stuff in the barrels .......help