Digital pH meter that will allow you to cultivate in the best way possible your passion.


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Weight 0.1 kg

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ADWA AD100 it is a digital multimeter for pH measurement. The pH value indicates the acidity or alkalinity of the water. The pH ranges from 0 to 14, with lower values ​​representing more acidic water and higher values ​​representing more alkaline water. The neutral value is pH 7.0 in the middle of the range. In indoor and outdoor cultivation , the pH must be in a range between 6 and 7. While, for hydroponic cultivation the pH must be between 5.5 and 5.8.

Ph controller is a pH meter digital reliable and accurate with reading direct on the display. Since calibration is electronic , it is easy to use and to calibrate, it only takes a few seconds to calibrate with a gesture. Ideal for those who have to make continuous measurements , systems hydroponic and aeroponic , and also for aquariums.

For calibration , the tester must be recalibrated with two solutions standard buffer pH 4.01 and 6.864 (or 7). It is also possible to measure the pH of nutritional solutions (fertilizers).


  • Adwa AD100 pH meter
  • pH measuring range from -2 to 16
  • Resolution: ± 0.1 pH
  • Accuracy: ± 0.1 pH
  • Automatic temperature compensation [0 ° C to 50 ° C]
  • Temperature of use: from 0 ° C to + 50 ° C
  • Humidity of use: 95% Max HR
  • Automatic calibration, 1 or 2 points [pH 4.01-7.01-10.01]
  • Batteries 4 x 1.5 volts [included], hours of use: 250 h
  • Dimensions: 173 x 41 x 22 mm


We have been operating directly from the heart of Barcelona for about 7 years, as a seed bank and as a grow shop. In a short time we have confirmed ourselves among the best grow shops and head shops in all of Europe and the best in Barcelona. Since 2017 we have become official distributors of more than 70 Brands concerning indoor cultivation and head shops. Are you a reseller? Click here and find out how to become an official reseller to get grow shop products at bargain prices!

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Our Grow Shop Online does everything possible to deliver all products in the shortest possible time frame (24-48H). But if it is not possible we will deliver the item in 5-10 working days.

The shipment of our items is 100% safe, after shipping you will be informed via email and you will be provided with the parcel tracking code. For anonymous shipments, request (immediately after placing the order) via WhatsApp +39 3463229342

On our website you can pay by credit cards, debit cards and prepaid cards and also by bank transfer. Upon request, it is also possible to pay via Cryptocurrencies.

If you are an authorized reseller with a VAT number, you can order wholesale or retail products in a different way. Visit the RESELLER page and find out how to become an official Eureka Grow Shop reseller.