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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
1x 131ft length of 3/8″ pipe
Seedling & Small Plants: 1/4 tsp
Add 45 ml per 4 L (3 tbsp per gallon) of soil or growing medium
Transplants: Mix 5 ml per 1L of water (1 tsp / 1 qt)
Total Grow Control pH Probe CO2 Parts & Accessories 1x 131ft length of 3/8″Total Grow Control pH Probe These industrial combination pH or ORP sensors use the conventional measurement technique, employing a process pH glass electrode (platinum for ORP) which is compared to a reference electrode in KCL solution. Total Grow Control's combination sensors have been completely modernized with several major upgrades. A new, more durable CPVC shell material provides excellent chemical resistance, and temperature compensation
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