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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
and a powerful audible alarm to clearly communicate CO2 conditions at the entrance of any grow space
Hydropolis Grow Tent
Adjusting the pH to the optimal levels ensures your plants uptake the proper nutrients needed for all stages of growth
salad greens
Container (amount per gallon of water)
Sugar/Brix Refractometer 28-62% refurbished-products and a powerful audible alarmUse this refractometer to test solutions with a higher sugar content, such as fruit juice concentrates, canned fruits containing added sugar, or ketchup as well as for egg yolk. Place a drop or two of a sample on the prism and read the results. Sper Scientific portable refractometers work in ambient light with no battery or other power source necessary. A refractometer measures the extent to which light is bent (refracted) through a liquid sample.
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