1a) You are using BBB - it's not a recipe, just a catchy name for using only the chemicals your pool needs and finding them at reasonable prices.
1b) If you have the trichlor tabs I recommend you use them up. How much do you have on hand? You won't be able to measure CYA level until you've used about 5lbs (10 3" tabs) so don't waste the reagent. If the trichlor dissolves too slowly to maintain FC, supplement with bleach. Don't pour the bleach on the trichlor. The trichlor will tend to push pH down - keep an eye on that and add Borax if it gets to 7.0.
1c) You will need calcium to protect the finish. About 20lbs of calcium chloride should get your 11K gallons to 300ppm.
2) If you have the trichlor already, why buy stabilizer (conditioner) and then have to get rid of the trichlor?
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