I'm hoping someone can confirm if the side glass panels of a 20g long AGA or Top Fin are tempered glass. I know the bottom of the AGA is not. But, I wanted to drill the back panel to install a float valve. (DIY Sump project).
Anyone have any advice other than....... try it, if it shatters, it's tempered!
Thanks
Anyone have any advice other than....... try it, if it shatters, it's tempered!
Thanks