Whoa, Mrs Cabrera!
I hate to tell you but you've been sold a bill of goods!
First: You MUST get your pH up! I would start by adding 2 boxes of Borax, yes, 20 Mule Team Borax from the supermarket. Add one, wait 2 hours and check pH, Then, if it's not at least 7.2, add the other. If after another 2 hours it's STILL in the 6's, add a third box. You MUST get your pH up over 7.0!
Second: Stop using tablets in the chlorinator immediately and remove what's in there--where rubber gloves. They've raised your CYA to VERY high levels making it tougher but not impossible to chlorinate your pool.
Third: Don't add Alkalinity Up for 2 reasons: a) Your pH is SO low it's understating your TA, aka Alk level when 90 is FINE and it will go up when your pH does b) Alkalinity Up! is nothing but baking soda and you can buy 12-13 pound bags of that at Costco for about 1/4 the cost
Fourth: Ignore TDS--Total Dissolved Solids. They mean NOTHING and are a pool store scare tactic. Salt is a "DS" and salt water generator pools (Like mine) run normally at 3000.
Fifth: Get 8.25% ultra bleach, regular unscented. You'll need to add 3 gallons (a bit more is fine) to start. Each gallon of 8.25% should add about 6 2/3 ppm of FC and you want to get it to AT LEAST 20ppm. You'll want to keep it there until it can mostly hold over night.
6th: You'll need a simple OTO test kit, or, better yet, WalMart's HTH 6-way drop test kit--it measures OTO up to 5ppm, rather than 3ppm like most.
Here is one way to use the OTO kit to test higher chlorine levels:
http://www.poolsolutions.com/gd/how-...d-testkit.html
I believe, if you don't use the dilution method, that when the OTO is deep orange, near red, chlorine levels are in the high 20's to low 30's
7th: You WILL need to get a better test kit--the Taylor K-2006 or K-2006c to properly test the higher levels of chlorine.
With a CYA level of 95, you will need to maintain a regular chlorine level of 5 to 10--closer to 10 (CYA over 100 you need FC to be between 8 and 15 to remain sanitary).
Bookmarks