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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Easy bottom-watering system to help prevent mold and promote healthy roots
6” filters 4+ times
Aqua Master S300 Pro 2 pH Electrode: This replacement electrode is compatible with the Aqua Master Tools' Substrate pH/Temp meter S300 Pro 2
Most growers have their own requirements
Test Tube pH Pens flowering Easy bottom-watering system to helpFits standard test tubes 16 x 50 mm or larger. Highly stable and accurate readings with a large LCD display. Designed for simple one hand operation. Automatically calibrates to pH 4, 7 and 10 buffers and can be adjusted to recognize some other non standard buffers as well. Features hold function, and auto power off with low battery indicator. General Purpose Glass Probe: EPA compliant for labs and wine Penetration Probe: for food & soil Flat Tip
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