pH regulator essential in every soil cultivation. Thanks to this product your plants will face a simple and quick life cycle, without stress that could kill them!


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Weight 1 kg

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The pH is a determining factor for the ideal growth of plants, with values ​​ too high or too low in fact they they could face almost certain death! This product serves primarily to reduce the pH levels in the soil and thus ensure perfect growth and flowering. Concentrated lemon juice has a pH of 2.2; it diluted in irrigation water is perfect for treating the deficiencies caused by calcium carbonate (Cal) and the precipitation of Magnesium.

The pH regulator from Trabe is a completely organic product ideal for regulating the acidity of the nutrient solution based on citric acid. We recommend the use of pH Down Trabe in soil crops, perfect if you are growing with fertilizers and 100% organic substrates. Reach the desired pH level with this fantastic product!


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!

We provide the best guarantee for you loyal customers

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.