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- separate display for humidity and temperature
this is the lid for it
NATURAL DOWN pH An new concept in pH control
Then choose a 3 in Gro-Block
if the Err6 still appears
O2Grow - Spider / 6 Emitters Item 2120-B Advanced Nutrients - separate display for humidityIt's well documented that oxygen is needed to help balance pH, prevent root disease and ultimately increase yield. Additionally, oxygen is a vital component when brewing compost teas. Increased oxygen to the root zone has shown to increase the speed of plant growth, size of the root ball, number and size of flowers, and nutrient uptake.
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