almond leaves

My 110 litre tank has a high ph of 8.2. I'd like to increase its small population of fish but only after bringing down the ph. I'm considering putting peat pellets in the filter, and dropping some almond leaves into the tank, as I've read that this can be effective. Apart from water...

Can anyone tell me if they have used this product before and what their experience of it is?   http://www.oceannutrition.com/?post=atisons-betta-spa   I am thinking it might help my old Betta as I am planning to move him to a "retirement" tank.  He spends most of his time now sitting on the...