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If I need to add liquid bleach to raise chlorine levels, but also need to add muriatic acid to lower my TA, do I need to add one before the other, or can the chemicals be added at the same time?

Anyone know what this is called? Our pool builder initially told us to put chlorine tabs in here, but they never seemed to dissolve completely and the water in there smelled bad... I cleaned out the chlorine tabs, as I’m transitioning to TFP methods. Just wondering what this “part” is...

My pH is reading around 7.0 and TA is around 140. From what I can tell, my best option to work towards my target numbers is to use muriatic acid to decrease the TA, and use aeration to avoid a further drop in pH and eventually raise it? Also, the TFP app does not tell how much muriatic acid to...

If I need to a add product (baking soda, muriatic acid, borax) to my pool with colored plaster, do I need to worry about dissolving these products in a bucket of water before adding to the pool, so as to avoid any “staining” to the plaster?

Ready to start using the TFP method and have a few questions... 1) I purchased liquid chlorine from Home Depot (HDX brand). Packaging says it is 10% sodium hypochlorite/90% other products. On the TFP phone app, this type of chlorine and % is not available as a selection option in the...

Have a 18k gallon in ground pool with colored plaster (grey). Upon completion and filling it up, my wife and I noticed rather quickly that we had “streaks” on many of the spa/pool steps. Our pool builder was quite evasive it says such streaks are unavoidable during the gunnite process. When I...