Best fan controler and regulator for CAP PPM-2A

"The PPM-2a can be connected to a temperature or environmental controller, disabling the CO2 function while your exhaust fans are running to reduce CO2 waste."

I'm planning on running the co2 in a dr120 with a 1000w. The 1000w is cooled by a 350cfm fan which sucks air from outside the tent through my hood then to another room that the tent isn't in. The tents air is sucked out of the roof by a 450cfm fan and blown through a large carbon filter in a room that the tent isn't in.

The 450cfm fan is on a speedster fan controller and is kept at about 50%. The tent stays around 76 max with this set up. Think I should swap the fans if I'm running co2? will the extra 100cfm through the hood help with the radiant heat of a 1000w?


Which is the better option for keeping co2 in the tent?

a) keep the exhaust fan and low as possible while keeping the temp below 90 (would I have to turn it off myself each night?)

b) purchase a controller that turns the fans on when the temp hits ?? during the day and keeps them on all night ( not sure which one)

I would like to keep the exhaust running as much as I can because I use it for smell.

I would prolong the life of my fan by having the filter in my tent and pulling air through it, rather than pushing air through the filter. carbon filters are designed to have "dirty" air drawn through them, not forced out.

It's a got to have I use the cap CGC-1e and it also has a night only plug and works well with the CAP co2 had mine for 4 years and never a problem, would buy tomorrow if they broke. Great product.

C.A.P. Complete Greenhouse Controller - CGC-1e

The CGC-1e Complete Greenhouse Controller controls all of the main devices required in today's modern hydroponic garden. Your garden's HID lights are controlled by a precision 24-hour time clock. Two outlets are provided for your lights. Other functions such as supplemental CO2 and hydroponic pumps are also coordinated with the time clock.




C.A.P. CO2 Monitor - PPM-1c

The PPM-1c is an extremely accurate CO2 sensor. It measures the exact level of CO2 in your growing area and displays this value from 0 to 5000 Parts-Per-Million (PPM) on its' digital readout. When connected to the C.A.P. CO2-2e , CO2-4e or CGC-1e, it will give PPM CO2 accuracy to your controller.