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ActiveAir CO2 Test Kit (Including 2 Test Tubes) N/A
We recommend measuring CO2 periodically to ensure optimum levels for growth. The CO2 Tester Kit is an inexpensive alternative to costly electronic monitors. ..
£12.99
2 Way Soil Meter (Moisture & pH) ActiveAir
Gardeners can conveniently test their moisture and pH levels with this handy ActiveAir 2 Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist) and pH readings between pH 0 and pH 10 are represented. The durable and easy-to-read tester is suitable for indoors or outdoors and needs no batteries to operate. ..
£5.49

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