AquaMaster Tools P50 Pro pH and Temp Meter
AquaMaster Tools P50 Pro pH and Temp Meter
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AquaMaster Tools P50 Pro is a handheld meter for measuring pH and temperature in liquids, including hydroponic nutrient solutions and water. It combines automatic temperature compensation, two-point pH calibration and a replaceable electrode in an IP67 waterproof, floating body. One meter and its supplied batteries are included per purchase.
Find calibration and storage products in our pH Products collection, compare other indicators and monitors, or browse the full AquaMaster Tools range.
Key Features
- Measures pH and temperature in liquids.
- Two-point automatic pH calibration at pH 4.0 and 7.0.
- Automatic temperature compensation from 0°C to 50°C.
- Replaceable pH electrode.
- IP67 waterproof housing that floats.
- Battery indicator and automatic power-off after eight minutes.
Product Specifications
| pH range | 0.0–14.0 pH |
|---|---|
| Temperature range | 0–50°C |
| pH resolution | 0.1 pH |
| pH accuracy | ±0.1 pH |
| Temperature resolution | 0.1°C |
| Temperature accuracy | ±0.5°C |
| Calibration | Two-point automatic, pH 4.0 and 7.0 |
| Power | 3 × 1.5V AG-13 button cells, included |
| Dimensions | 220 × 40 × 40mm |
| Weight | 102g |
How to Use and Care
Calibrate the meter with the correct pH 4.0 and pH 7.0 solutions before relying on measurements. Rinse the electrode between solutions, immerse it in the liquid sample and allow the reading to stabilise. Keep the electrode moist and store the meter upright with KCl storage solution in the protective cap. Do not store the pH electrode dry.
Who It’s For
Growers who need a portable pH tester for nutrient solutions, irrigation water and other liquid samples while also checking temperature.
Frequently Asked Questions
Does the P50 Pro measure EC?
No. The P50 Pro measures pH and temperature; an EC or combination meter is required for conductivity readings.
Can the P50 Pro electrode be replaced?
Yes. AquaMaster Tools supplies a replaceable P50 Pro pH and temperature electrode.
What comes with the meter?
One P50 Pro meter with three included AG-13 button-cell batteries is supplied per purchase.
Shipping Information
Shipping Information
Orders typically ship within 1–3 working days from the time the order is placed.
Major City Shipping:
Please allow 1–3 working days for delivery to your door.
Outlying Area Shipping:
Please allow 3–5 working days for delivery.
Township, Farm & Plot Shipping:
Please allow 1–5 working days for delivery, depending on your area.
PUDO Locker-to-Locker:
Available for smaller, non-fragile orders — please allow 1–3 working days for delivery to your nearest locker.
NB: Kindly be advised that certain Grow Shop items are not eligible for free shipping. Be sure to double check the product description to see if the product is eligible for free shipping or not. Alternatively, you have the option to collect the item in-store or organize your preferred courier service.
Shipping Deposit:
For large, bulky, or heavy grow equipment (tents, lights, hydroponic systems, and similar items), we charge a R99.00 Shipping Deposit at checkout instead of a fixed shipping rate. This allows us to provide you with the most accurate, up-to-date courier quote once your order is placed. The deposit is deducted from your final delivery cost, and you'll be notified of any balance before your order is dispatched.
See our full Shipping Policy
Returns & Refunds
Returns & Refunds
Our policy lasts 10 Working days. If 10 Working days have gone by since your purchase, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
See Our Full Returns & Refund Policy
FAQ & Support
FAQ & Support
Need some help?
Visit our FAQ Page
Alternativly you can contact us via:
Email: skylinevsl@gmail.com
Whatsapp: 0718837026

Why Choose Us
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Free Shipping
Shipping Policy-Free stickers with all orders!
-Free Shipping on Orders Over R1250.00
(Not Available For Orders Over 2kg Or That Have Complex Shipping Requirements)
-Freebies with Orders over R2000.00!
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Close to a decade of experience
About UsWith close to 10 years of hands-on experience, we’ve been trusted by South African Growers for over 8 years and we’re here for the long run.
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Shipping DetailsWe partner with multiple trusted courier services to deliver your orders safely, reliably, and as affordably as possible.
Monday to Friday across South Africa.
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