ADA substrates were available back in 1998 or so. I used them on a one tank.
At the time I did not see a dramatic improvement and did not like the soft light weight of the product. Then not for awhile, then recently the last years or so they came back after Amano came to the AGA conference.
Still, without any doubt, I can say the ADA subs are much better than FB.
I gave FB all the chances in the world.
I'll never use it again.