Yes, a BTA would be a better choice. More conducive to hosting, easier to sell/trade if you change directions later, etc. Better still is a clone of one available in your neighborhood club :>) Your lighting is fine for BTA as long as you feed it properly and maintain the water conditions.
You'll hear much in the this hobby, much from folks that are repeating myths or have kept a critter for such a short period of time it is meaningless.
1 year is a minimal experience with anemones, some species take that long while wasting away and dying. Of course during that year, folks are claiming success.