it the ones in my sig.. i seems understocked but all im running on it is a fluval 404 (begginers mistakes)
i just asked my friend if i could have his cinder blocks and i took them home washes them and broke them to the pieces i wanted and then washed them again.. and the pvc i just washed i dont do anything to drastic like cooking the blocks up it just seemed to work out for me :]
im also planning to add more plants to the right side... jungle vals and amazon swords