Do NOT drain, until you are SURE you can do so safely!
Get an approximate actual CYA level by diluting with DISTILLED water and then multiplying the test result by the appropriate factor:
- Buy DISTILLED water (not spring; bottled, purified, etc but DISTILLED!) from Walmart or some groceries
- Take a CLEAN 1 cup measure, add 1/4 of pool water and 3/4 cup of DISTILLED, and mix
- Test the MIX
- Multiply the test result by FOUR (4x)
Meanwhile, add 2 gallons of PLAIN 8% bleach per 10,000 gallons of pool water. This should produce a chlorine level of 20+.
When your pool store PANICS, don't worry about it. 20 - 50 ppm of chlorine is FINE, when your CYA is greater than 200 ppm!
Maintain high chlorine levels till you get your K2006 and know more.
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