I am setting up a 10 gallon tank for my female betta Celestia. Because of major problems with my tap water, I bought Carib Sea Ready Water to start off the tank. The water says it comes with bacteria that will allow you to put fish in right away. Would it be ok if I put my betta in without...

I am thinking of using Carib Sea Ready Water in my tanks. Has anyone else used this and if so is it worth it? The reason why I am doing this is because I have had so much trouble setting up my tanks even though I've done everything I can think of for them. I have lost so many fish that I've...