SMSCOM - Twin Fan Speed Controller MK2 AMP:7amp Protect makes your plants naturally

Protect makes your plants naturally less attractive to insects – without the need for harsh chemical pesticides

and pH with this pen and Bluelab's Truncheon Nutrient Meter

Supporting plants carrying heavy flowers or fruit

Nitrogen deficiency is one of the most common issues in any grow system — yellowing leaves

SMSCOM - Twin Fan Speed Controller MK2 AMP:7amp Protect makes your plants naturallySMSCOM Twin Fan Controllers Simply plug in both intake and exhaust extractor fans to the new Twin Fan Controller and set minimum speed and desired to grow area temperature. By automatically adjusting both fans, it will bring your preset temp back into balance. Unlike other fan controllers this unit is software controlled and very accurate, it will even maintain negative air pressure in growing areas or for a perfect environment. 4. 5 amp & 7amp