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Taylor K-2006 Complete DPD-FAS Pool Test Kit
Lab-grade titration kit for accurate Free Chlorine, Total Alkalinity, Calcium & Cyanuric Acid.
How to Lower Pool pH with Muriatic Acid (Exact Dosing & Safety Rule)
When pool pH rises above 7.8, two dangerous reactions happen simultaneously: calcium precipitates out of solution forming rough waterline scale, and your chlorine loses over 70% of its germ-killing speed.
Muriatic acid (31.45% hydrochloric acid / 20° Baumé) is the cleanest, most reliable chemical to pull pH back down into the 7.4–7.6 sweet spot. Unlike dry acid (sodium bisulfate), it leaves zero corrosive sulfate residues that damage expensive titanium salt cells and copper heater coils.
0MS ACID DOSING CALCULATOR
Muriatic Acid Volume Calculator
Calculate the exact fluid ounces of 31.45% muriatic acid required to drop your water to 7.4 pH based on your pool size.
MURIATIC ACID DOSE
24 fl oz
~3.0 Cups (31.45%)TARGET FINAL PH
7.4 pH
100% active chlorine zoneCIRCULATION TIME
30 Mins
Before safe swimmingRE-TEST INTERVAL
4 Hours
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01Run the Pool Pump on High RPM First
Never add muriatic acid to still or stagnant water. Concentrated hydrochloric acid is denser than water and will sink straight to the bottom plaster, causing permanent bleaching and rough etching. Always switch your pool pump to high speed (3,000+ RPM on variable speed pumps) at least 5 minutes before application.
02The Deep-End Jet Stream Cascade Technique
Hold the open acid jug close to the water surface (no more than 3 inches above the pool line to prevent wind-borne splashing). Slowly pour the measured acid directly in front of the strongest deep-end return jet. The high-velocity jet stream immediately atomizes and disperses the acid across 15,000 gallons within seconds.
03Wait 30 Minutes Before Swimming & Retest
Do not allow swimmers into the pool for 30 minutes after dosing. Allow the complete water volume to turn over. After 4 hours of continuous filtration, run a follow-up pH and Total Alkalinity test with your titration kit.
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Need to Balance Chlorine, CYA & Alkalinity?
Don't treat pH in isolation. Use our 0ms dynamic water balance engine to calculate exact chemical additions for your entire pool volume and prevent algae blooms.
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