
After dealing with two other grow boxes I wanted one that would not release my false Julii Cory into the main tank. The smallest "grid" for the overflow is big enough for the juvenile fish to swim through and get into the aquarium to become food for the fish. I modified it by putting a mesh on the overflow part and I pray this will protect my barks from my other fish. You also have to be careful with the current, if it is too strong, the tank fills up so much that the young fish can swim out of the water. Center. Reducing the airflow corrects this as it lowers the overall water level. Also, you need to keep the level unit. If you have too much flow and the unit is tilted towards the ground (away from the tank) it may overflow onto the ground. If you have measles fry or other very small fry, be careful.

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