



SALE PROHIBITED TO PERSONS UNDER 18 - FREE SHIPPING FROM €40 (Mainland Spain only - Max. 25 Kg)
Bluelab Multimedia pH Meter allows you to quickly and accurately measure pH in substrates such as soil, coco, and rockwool, as well as nutrient solutions. Portable design, intuitive handling, and stable results to optimize indoor cultivation in grow tents and professional rooms.

The Bluelab Multimedia pH Meter is designed for technicians and enthusiasts who need to know the acid-base balance directly in the substrate and in the reservoir.
Thanks to optimized electronics and a probe designed for growing environments, it offers reliable measurements across wide ranges of composition and humidity.
It works in a pH measurement range 0–14 and stands out for its portable format that makes it easy to move between tables, pots, and hydroponic systems. The reading is clear and fast, ideal for validating base water, adjusting recipes, and checking if the root environment maintains the target pH at each stage.
With a weight of 390 g and dimensions 18 × 11 × 8.3 cm, it is comfortable in hand and durable for daily work.
Versatility is its strong point: it allows measurement in soil, coco, rockwool, and mixes, as well as in reservoirs and recirculating drains.
This “multimedia” approach helps relate what the reservoir shows to what the roots actually experience, reducing trial and error and promoting coherent assimilation of macro and microelements in cannabis cultivation.
Among grow meters and indoor accessories, this device positions itself as a rapid diagnostic solution for adjusting fertilization, buffering, and irrigation, providing consistency to indoor grow installations of any size.
Available at Hydroponics Blanes, online grow shop, and Grow Shop in Spain with specialized technical advice and discreet shipping managed by a trusted Grow Shop.
In indoor cultivation, the stability of pH in substrate and nutrient solution determines the real availability of nutrients. Bluelab Multimedia pH Meter allows sampling of representative pots and validating that the range remains within targets during growth, transition, and flowering. Direct reading in media such as coco or rockwool provides information that exclusive reservoir control does not always reflect, helping to avoid lockouts and maintain proper irrigation rhythms in cannabis plants.
It is used to measure pH in multimedia (substrates and solutions) and make immediate decisions: correction with regulators, choice of buffers, recipe modification, or scheduling flushes. Access to the “inside the substrate” data speeds up diagnosis of chlorosis, burnt tips, or mismatches between charts and the crop’s real response, improving harvest consistency.
As a work tool, it provides portability, speed, and repeatability of reading. The compact body (18 × 11 × 8.3 cm, 390 g) fits mixing tables and narrow aisles; the 0–14 pH range covers the entire usual spectrum in irrigation and drainage. It matches with other grow meters (EC/temperature) to create a complete picture of the root environment in professional rooms and home cabinets.
1) Preparation: rinse the tip with clean water and dry with paper without excessive rubbing. Check battery or charge status before going out to sample.
2) Measurement in substrate: carefully insert into coco, soil, rockwool, or mixes; wait for the reading to stabilize. Repeat in several points and average for a real view of the root zone.
3) Measurement in solution: immerse the tip in the reservoir or drainage; record the value and compare it with the substrate to detect deviations.
4) Adjustments: modify with pH regulators up to the setpoint for each stage; adapt irrigation or drain times if the substrate tends to go out of the target range.
5) Maintenance: clean after each session, protect the tip with a cap, and periodically check the probe’s condition. Maintain good storage practices to preserve stability.
The price corresponds to a portable meter prepared to work in substrates and solutions, with a 0–14 pH range, robust design, and simple operation. Check promotions and maintenance packs at Hydroponics Blanes, a reference Grow Shop in Spain for indoor accessories.
Available at Hydroponics Blanes, trusted Grow Shop, and online grow shop with discreet shipping. Technical team ready to recommend sampling protocols, stage ranges, and compatibility with fertilizers in indoor grow installations focused on performance.
Anyone who needs to diagnose pH where the roots really matter will find in the Bluelab Multimedia pH Meter a precise ally: direct reading in substrate, verification in reservoir, and faster decisions.
A versatile solution to stabilize recipes and improve consistency in indoor cultivation projects of cannabis plants, with the support of Hydroponics Blanes and the logistics of a trusted Grow Shop.