Opis
Regular calibration keeps your pH meter accurate and working properly for longer, so you can be sure your plants are taking up nutrients at the right pH. This Bluelab solution provides the pH 7.0 reference point for setting and checking your meter.
Key facts
- pH value: 7.0
- Volume: 250 ml
Sold and shipped by Grow Guru (mako GmbH, Ettlingen, Germany), shipped from within the EU. Prices are set by the vendor and you complete your purchase on their site. Adults only.












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