... a. In the early spring before pool water, agents with a 1--2kg per acre plus 20kg of water ... depth) has used for storing water for a long time, agents with a 1—2kg of 20kg of water, stir in ... be used after shaking. c. Can’t be used with antibiotics and fungicides, if they have been used, please ... weather, pay attention to the proper aeration tank, and with the use of agents, the effect is more. f. ...