I found this way to be better than using foam blocks. With foam blocks there's no bubbles and with this eggcrate, it creates a lot of bubbles.
it took me a while to get it to fit right (sanding it down) so i don't have to use glue to poison the fish or make it permanent.
it took me a while to get it to fit right (sanding it down) so i don't have to use glue to poison the fish or make it permanent.
