The Easiest Way To Get Perfect Product Dilutions Every Time.
Posted by James Rogers on 15th Sep 2025
The Simple Trick to Perfect Dilutions Every Time
Never second-guess your measurements again when mixing your favorite detailing products.
If you’ve ever felt confused by those tiny ratio numbers on product labels, like 1:10, 1:25, or even 1:500, you’re not alone. Proper dilution is crucial for performance and safety, but math shouldn’t slow you down when you’re ready to detail.
This simple trick makes figuring out the perfect mix effortless, whether you’re filling a spray bottle, a foam cannon, or a wash bucket.
The Easy Math Trick for Dilution Ratios
Here’s how it works:
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Take the ratio numbers (e.g., 1:9).
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Add them together.
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Example: 1 + 9 = 10
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Divide your container size (in ounces) by that total.
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Example: 32 oz ÷ 10 = 3.2 oz
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That’s it!
The result is the exact amount of concentrate to use. Fill the rest with water, shake, and you’re ready to go.
Example: If your dilution ratio is 1:9 and you’re using a 32 oz spray bottle, you’ll need 3.2 oz of product and 28.8 oz of water.
Why Accurate Dilutions Matter
Using the correct dilution isn’t just about saving product; it protects surfaces and ensures consistent results.
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Performance: Products are engineered for precise ratios to achieve the perfect balance of cleaning power and safety.
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Cost Savings: Overuse wastes product and increases costs.
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Surface Safety: Too strong a mix can harm sensitive surfaces or strip protective layers.
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Consistency: A repeatable process means predictable, professional-level results every time.
Popular CARPRO Products and Their Ratios
Here’s how the trick works with some of CARPRO’s most trusted detailing solutions:
Product |
Typical Dilution Ratio | Example Container Size | Amount of Concentrate Needed |
---|---|---|---|
CARPRO Reset Car Wash | 400–500:1 | 32 oz bucket | 32 ÷ 401 ≈ 0.08 oz |
CARPRO EcH2O (Quick Detailer Mode) | 1:25 | 32 oz spray bottle | 32 ÷ 26 ≈ 1.23 oz |
CARPRO MultiX APC | 1:20 (general cleaning) | 32 oz spray bottle | 32 ÷ 21 ≈ 1.52 oz |
CARPRO HydrO2 Foam | 1:9 | 32 oz foamer | 32 ÷ 10 = 3.2 oz |
CARPRO IronX | Ready to use (no dilution needed) | – | – |
Step-by-Step Example
Let’s walk through preparing EcH2O as a quick detailer:
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Ratio: 1:25
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Bottle Size: 32 oz
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Step 1: Add numbers → 1 + 25 = 26
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Step 2: Divide → 32 ÷ 26 = 1.23 oz
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Step 3: Add water → Fill the rest (~30.8 oz) with water
Now you have a perfectly mixed quick detailer ready to go.
Tips for Success
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Always check the product label or official CARPRO product page for recommended ratios.
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Round measurements to the nearest tenth of an ounce for convenience.
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For large containers like buckets, you can scale up by multiplying the concentrate amount.
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Store commonly used measurements in a notebook or tape them to your detailing cabinet for quick reference.
Make Every Ounce Count
With this simple math trick, you’ll never guess again. Whether you’re prepping a bucket of Reset, a spray bottle of EcH2O, or a foamer full of HydrO2 Foam, you can quickly calculate the perfect dilution every time.
Check out the full line of CARPRO products and put this trick to work in your shop or driveway today!