Jacuzzi® pH Down
Jacuzzi® pH Down is a granular product formulated to lower pH and total alkalinity in hot tub and spa water. Balanced water chemistry ensures sanitizer effectiveness, protects spa equipment, and provides a safe, comfortable soaking experience.
Why pH Balance Matters
Maintaining your hot tub’s pH in the ideal range (7.4 – 7.6) is critical for:
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Sanitizer Efficiency: Proper pH allows chlorine or bromine to kill harmful bacteria effectively.
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User Comfort: Balanced water prevents skin and eye irritation.
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Equipment Protection: Avoids scaling, corrosion, and premature wear on pumps, heaters, and jets.
Dosage & Application
One capful from the 1 kg container ≈ 30 g. The required dose depends on your water volume and current pH level:
Dosing Chart for Jacuzzi® pH Down
Use this chart to adjust your spa water. Always circulate for 30 - 60 minutes and re-test before adding more.
| Spa Volume |
pH 7.8 – 8.0
(30 g / 1000 L) |
pH > 8.0
(60 g / 1000 L) |
| 750 L |
~23 g (¾ cap) |
~45 g (1½ caps) |
| 1000 L |
30 g (1 cap) |
60 g (2 caps) |
| 1250 L |
~38 g (1¼ caps) |
~75 g (2½ caps) |
| 1500 L |
45 g (1½ caps) |
90 g (3 caps) |
| 1750 L |
~53 g (1¾ caps) |
~105 g (3½ caps) |
| 2000 L |
60 g (2 caps) |
120 g (4 caps) |
Quick Tip: Add gradually, allow circulation for 30–60 minutes, and re-test. Over-correction can make pH too low and require Jacuzzi® pH Up to rebalance.
Application Steps
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Test the water: Use LaMotte 3-Way Test Strips or a kit to measure pH.
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Measure: Use the chart above to calculate dosage.
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Add: Sprinkle Jacuzzi® pH Down evenly across the water surface with circulation running.
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Re-test: After 30 minutes, re-check pH and repeat if necessary.
Safety Precautions
- Wear gloves and eye protection when handling chemicals.
- Store in a cool, dry location away from sunlight and children.
- Never mix with other chemicals in concentrated form.
By incorporating Jacuzzi® pH Down into your regular maintenance routine, you’ll keep your water balanced, your equipment protected, and your soaks more enjoyable.
