- The product 24w 6500K (Grow) T5 Tube has been added to comparison list.

Essentials CF Standard 2.8ms 1L

Availability: Sold out, more on order!

£9.99

| Add to Compare

Quick Overview

Essentials CF Standard 2.8ms 1L

Calibration Fluid for EC/CF meters.

Essentials pH buffers are a known solution of a certain pH value designed to test the accuracy of pH meters used to measure the pH of a nutrient solution. Use to Calibrate your EC/CF meter every week to ensure maximum accuracy. Features CRC Cap for Safety.

Essentials CF Standard 2.8ms 1L