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The adjustable light spread allows growers to create ideal lighting conditions across all stages of ..
The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most importan..
Everything you need to clean, hydrate and calibrate pH probes. Probe cleaning and correctly storing ..
Interior threads which accept 3/4 in standard pipe thread. Use as ebb and flow fittings and bulkhead..
These sponge-like, all-natural soilless grow plugs are made of composted tree bark and organic mater..