Originally Posted by 914joe
I am newb to planted tanks i have a 6.6 bookshelf tank that i want to set up for my betta who is currently in 2.5.I just bought a 15 pound bag of red fluorite should i use the whole bag or is that to much,and any tips or advice on using the fluorite.
That might be a little too much, but I know that tank is designed to have a lot of horizonal space. Your substrate only needs to be 1-2 inches thick. Just pour it to about that and save the rest. It's worth holding on to the extra for another tank.