Aqua Master Substrate pH/Temp S300 Pro 2 £129.99 Inc VAT
Aqua Master EC Temp Meter E50 Pro £49.99 Original price was: £49.99.£44.99Current price is: £44.99. Inc VAT
Aqua Master pH Temp Meter P50 Pro
£64.99 Original price was: £64.99.£47.99Current price is: £47.99. Inc VAT
A professional pH and temperature meter with waterproof design, replaceable probe and highly accurate, fully calibrated performance.
Description
Aqua Master pH Temp Meter P50 Pro
The Aqua Master pH Temp Meter P50 Pro is a professional, easy-to-use testing solution designed to deliver highly accurate pH and temperature readings. Ideal for hydroponics, horticulture aquatics, and general water quality monitoring, this compact meter helps ensure ultimate precision when managing nutrient solutions.
The P50 Pro is fully calibrated and ready to use, making it suitable for both beginners and experienced growers. With an IP67 waterproof rating, it is built to perform reliably in wet environments such as reservoirs and grow rooms. The large, clear digital display presents readings to two decimal places, allowing for confident and accurate adjustments.
Designed for long-term use, the meter features replaceable probes, extending the lifespan of the device and reducing overall running costs. A built-in calibration indicator alerts you when recalibration is required, helping maintain consistent accuracy over time. Switching between Celsius and Fahrenheit is quick and simple, while standard AAA batteries make powering the unit convenient and cost-effective.
For first-time use, soaking the pH electrode in tap water for 12 hours ensures optimal performance and longevity. Once prepared, the Aqua Master P50 Pro offers dependable results in a wide range of applications where precise pH control is essential.
Key Benefits
Accurate pH and temperature measurement
Fully calibrated and ready to use
IP67 waterproof for wet environments
Large, easy-to-read digital display
Readings shown to two decimal places
Replaceable probe for extended lifespan
Calibration indicator for ongoing accuracy
Powered by standard AAA batteries
About brand
Aqua Master – Precision Water Testing for Hydroponics, Aquatics & Indoor Gardening
Aqua Master is a trusted global brand specialising in high-accuracy water testing instruments for hydroponics, horticulture, aquaculture and laboratory environments. Over time, the brand has become renowned for its reliable EC meters, pH meters, temperature probes and nutrient monitoring tools. As a result, growers can maintain perfect nutrient balance and water quality throughout every stage of plant development — from seedling to harvest.
Whether you're a UK indoor grower, commercial cultivator or hobbyist, Aqua Master delivers the precision needed to maximise plant health, nutrient uptake and crop yields. In particular, their meters perform exceptionally well in hydroponic systems, coco coir setups, NFT systems, DWC reservoirs and soil-based grows.
Why Choose Aqua Master for Hydroponics?
In hydroponics and indoor gardening, accurate nutrient and pH control is essential. Even small imbalances can result in nutrient lockout, stunted growth, deficiencies and reduced yields. Aqua Master meters are engineered to provide fast, dependable readings, helping growers stay in full control of their growing environment.
Their instruments are designed with:
✔ High-grade sensors for superior accuracy
✔ Waterproof and dust-resistant housings
✔ Automatic temperature compensation (ATC)
✔ Easy-to-read LCD displays
✔ Replaceable probes and long service life
Whether you're running a home grow tent or a commercial-scale hydroponic operation, Aqua Master tools allow you to fine-tune nutrient solutions with confidence.
Aqua Master Product Range
🔹 pH Meters
Maintain optimal root-zone conditions with Aqua Master’s highly accurate pH testers, ideal for hydroponic reservoirs, soil runoff testing and nutrient solution preparation. Fast calibration and stable readings make them perfect for both beginners and professional growers.
🔹 EC & TDS Meters
Monitor nutrient strength precisely with Aqua Master’s EC and ppm meters, ensuring your plants receive the correct feed levels throughout their growth cycle — from propagation through flowering.
🔹 Combo Meters
All-in-one devices measuring pH, EC and temperature in a single unit — perfect for growers looking for streamlined nutrient monitoring without sacrificing accuracy.
🔹 Temperature & Water Quality Instruments
From reservoir thermometers to conductivity testers, Aqua Master provides a complete range of water analysis tools essential for hydroponics, aquaponics and indoor cultivation systems.
Designed for UK Growers & Professional Environments
Aqua Master meters are widely used across the UK, and Netherlands hydroponics industry thanks to their:
Compatibility with UK nutrient brands
Reliable performance in cold grow rooms and warm reservoirs
Calibration solutions available locally
Long-lasting build quality for commercial workloads
Whether you're growing in loft spaces, spare rooms, basements, greenhouses or warehouse environments, Aqua Master provides the data accuracy required for consistent success.
Benefits of Using Aqua Master Equipment
- Improved nutrient uptake and plant growth
- Reduced risk of pH shock and nutrient lockout
- Optimised fertiliser efficiency
- Higher yields and crop consistency
- Faster diagnosis of plant stress issues
Accurate monitoring is one of the most powerful tools in any grower’s arsenal — and Aqua Master delivers professional-grade precision without complexity.
Ideal Applications
Hydroponics & aeroponics systems
Coco coir & soil growing
Aquaponics setups
Commercial horticulture
- Aquarium keeping
Propagation & cloning environments
Research and laboratory testing
Why Buy Aqua Master from Us?
As a specialist UK indoor gardening retailer, we stock the full range of Aqua Master hydroponic meters and calibration solutions, offering:
✔ Fast UK delivery
✔ Competitive pricing
✔ Expert grower support
✔ Genuine manufacturer warranties
✔ After-sales assistance
Whether you're upgrading your grow room equipment or building a complete hydroponic system from scratch, Aqua Master instruments provide the accuracy and reliability you need to succeed.
Shipping & Delivery


DELIVERY TIMEFRAME
We aim to process and dispatch all orders within 2 working days of being placed. Wherever possible, parcels are sent on a next working day service to ensure you receive them quickly and reliably.
When your order is dispatched, you will receive a confirmation email with tracking information so you can closely monitor your delivery every step of the way.
Please Note: Delivery times may slightly vary during busy periods, or due to courier service disruptions. Rest assured, we always do our best to get your order to you promptly.
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