Dilution & Mix Calculator
Dilution Ratio & PPM Tools
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Calculate dilution ratios instantly. Mix concentrates, convert units, and compute PPM with precision. Upgrade to Premium for advanced tools and no ads.
Dilution & Mix Calculator Pro – Hydroponics, Pool, Agriculture & More
The most complete dilution and mixing calculator for professionals, growers, and hobbyists. Calculate
exact doses, convert units, build multi-part nutrient formulas, and manage your entire grow cycle —
all offline, no internet required.
Perfect for hydroponics, pool maintenance, agriculture, cleaning products, liquid fertilizers,
pesticides, laboratory work, and industrial mixing.
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FREE FEATURES
- Quick Dilution calculator — dosage (mL/gal) and ratio (1:10) modes
- Multi-part formula calculator — single-part mixing
- Formula Builder — create and save up to 1 custom formula
- My Formulas library — load formulas directly into the calculator
- Works 100% offline — no account, no internet needed
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PREMIUM FEATURES
- pH Adjuster — estimate pH Up / pH Down dose for any tank volume
- EC / PPM Converter — convert between EC (mS/cm), PPM 500, and PPM 700 with grow-stage guidelines
- Concentration Converter — switch between %, g/L, mg/L, ppm, and ppb instantly
- Tank Top-Off Calculator — re-dose evaporated tanks without overdosing
- Grow Cycle Planner — assign formulas week-by-week across Seedling, Veg, Bloom, and Flush phases
- Calculation History — last 50 calculations auto-saved across all tools
- Multi-part formulas — up to 5 components per formula
- Unlimited saved formulas
- All units — gallon, liter, fl oz, mL, tsp, tbsp
- Batch scaling — multiply any formula by 0.25×, 0.5×, 2×, 5×, 10×, and more
- Share results — send calculations via messages, email, or any app
- Formula import & export — back up or share formula libraries as JSON
- Search, sort & duplicate saved formulas
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DESIGNED FOR
Hydroponics growers · Pool and spa technicians · Farmers and agronomists · Horticulturists · Lab
technicians · Automotive detailers · Cleaning and sanitation professionals · Students
Stop guessing. Mix with precision.
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SUBSCRIPTION INFORMATION
This app offers optional auto-renewable subscriptions to unlock premium features.
- Premium Monthly – $2.99 per month
- Premium Yearly – $17.99 per year (save 50%)
Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions
automatically renew unless auto-renew is turned off at least 24 hours before the end of the current
period. Your account will be charged for renewal within 24 hours prior to the end of the current
period. You can manage or cancel your subscription anytime in your Apple ID account settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://fennec-it.com/privacy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
4 new Pro calculators
- pH Adjuster: estimate how much pH Up or Down to add for any tank size
- EC / PPM Converter: switch between EC, PPM 500 (US), and PPM 700 (EU) with grow-stage guidelines
- Concentration Converter: instantly convert between %, g/L, mg/L, ppm, and ppb
- Tank Top-Off: calculate how much nutrient to add when topping off an evaporated tank
Grow Cycle Planner
Assign saved formulas to each week of your grow season. Track Seedling, Veg, Bloom, and Flush phases
across cycles of up to 16 weeks. Load any week's formula directly into the calculator.
Calculation History
The last 50 calculations from all tools are now automatically saved and available in the new History
screen.
More Formula Calculator tools
Batch scaling lets you multiply any formula by a custom factor (0.25×, 0.5×, 2×, 5×, 10×). Share your
results directly from any calculator.
My Formulas improvements
Search and sort your formula library by name, date, or category. Duplicate any formula with one tap.
Export your entire library as JSON and import it on another device.
The developer, Edry Garcia, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Edry Garcia
- Size
- 19.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- In-App Purchases
Yes
- Premium Monthly $4.99
- Premium Yearly $29.99
- Copyright
- © 2026 Fennec IT LLC. All rights reserved.