Hanna EC/TDS Probe for HI981409 & HI981410 spl_hgc Same mix as Big Rootz

Same mix as Big Rootz but has a bloom fertilizer

200K natural white spectrum is good for all stages of growing

In thorough tests conducted by the Humboldt Nutrients team throughout the hills and valleys of Northern California this specific solution of Ca and Mg dominated the competition in side-by-side trials

Extendable cloth pH junction

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Hanna EC/TDS Probe for HI981409 & HI981410 spl_hgc Same mix as Big RootzEC TDS Probe for HI981409 & HI981410 with DIN connector measures 24 cm (9. 4"). The meter switches off after five minutes of inactivity to save battery life. The outer casing also incorporates a molded eye so that the meter can be hung right where it is needed. Calibration with this meter is easy and completely automatic. Simply press and hold the on off button for a few seconds and the meter will request the appropriate calibration solution. Place