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I used these instead of rockwool and I was amazed by the qua ..
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> Hanna Instruments
Hanna Instruments
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Item Name-
Price
Hanna Grocheck EC Meter - DIST4 - HI 98304
HI-98304 Dist4 0.00 to 19.99mS/cm conductivity The Dist4 pocket conductivity meter features a protected LCD display...
£39.49
Hanna Grocheck pH probe - HI 1286
Grocheck Replacement Probe. The Grocheck Combo is supplied with Hi 1286 Electrode. To order replacement probe only.
£41.99
Hanna Waterproof pH Meter - HI 98127
REPLACEMENT PROBE ALSO AVAILABLE FROM JUST £39.99 The HI-98127 is a state-of-the-art pocket pH meter. Housed in a...
£59.99
... more info
Hanna Direct Soil Conductivity / Temperature Meter HI-98331
Direct Soil Conductivity / Temperature Meter by Hanna, Code HI 98331 Automatic Temperature compensation Penetration...
£75.49
Hanna Grocheck EC Monitor - HI 983302N
This state of the art meter has been engineered with a host of features suited to the aggressive environments commonly...
£81.99
Hanna Grocheck pH Monitor - HI 981401N
Hanna Instrument's innovative pH indicator HI 981401N has been designed to meet the Grower's need for equipment suited...
£82.95
Hanna Waterproof DIST - HI 98311
HANNA HI 98311 DiST EC TDS °C °F Tester Meter, HI98311 The original DiST (Dissolved Solids Tester) was first introduced...
£88.95
Hanna Combo Meter pH/EC (HI 9813)
REPLACEMENT PROBE ALSO AVAILABLE HI 9813-0 allows you to measure pH, EC (conductivity) and TDS with just one...
£79.99
... more info
Hanna Digital W/Proof Combo Meter for pH/EC - HI 98129
The HI98129 Combo tester from Hanna Instruments is designed for fast, efficient and high accuracy pH, EC/TDS and...
£124.99
... more info
Hanna Grocheck Combo Monitor for pH/EC - HI 981405
REPLACEMENT PROBES ALSO AVAILABLE The GroCheck Combo meter offers continuous testing for both pH and TDS. Built in...
£158.95
... more info
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