1. Zak Rafik

    Stone identification and brittleness issue.

    Hi all,:) I got this large stone for my planted tank some time back. It weighs nearly 5 to 6 kilos. Although it had lots character and colour, I was not so sure if it was an inert stone and if it won't affect water ph vales or any parameters. The sales person from the LFS assured me it was inert...