To do this safely I would drain the tank lift it off and invert the stand , remove all unwanted wood and fix a 10mm ply board to the base . I'd use 30x6mm steel flat bar for diagonals and use two per side to form an X as angle iron would add thickness where flat bar wouldn't.
Sent from my iPhone using MonsterAquariaNetwork app
Sent from my iPhone using MonsterAquariaNetwork app
