In search for 24h hum/temp controller

[ewmedical]

For the Stomata to stay open and also maintain transpiration at prime levels for maximum plant growth the hum/temp difference between night and day levels require a consistent number. Difference 0-10F and 0-10%RH is within range, to maintain those numbers at as close to zero as possible a controller is needed to operate as needed intake/exhaust, CO2, and heat. In search for the best device to maintain proper day/night hum/temp numbers. Any advice???

 

[SkymasterSmoke]

http://www.plantlightinghydroponics.com/cap-air1-temperature-humidity-control-p-361.html

Hopefully we're on the same page here. This a nice decently priced one. If this doensnt help let me know and I'll around some more!

 

[ewmedical]

Thanks for the search

I've checked into the Kronus 4, evc-2, CAP air4 and 3dn, and green air ct-ct-3p. The evc-2 appears to have more control. 2 temp control outlets, 1 humidity outlet, 1 co2 outlet, and 1 outlet for a heater at night, it is also all digital. I'm not sure if the co2 outlet is for tank or burner? The others have only 4 outlets with manual controls with the same variance in measurements. +/-1f and +/-3%rh. here is a little evc-2 memo http://www.youtube.com/watch?v=3aKDSw5--S0

Price shipping not included
Kronus 4 319.00-400.00
evc-2 220.00-300.00
CAP 4 215.00-250.00
GAP 240.00-340.00

 

[LUDACRIS.]

For the Stomata to stay open and also maintain transpiration at prime levels for maximum plant growth the hum/temp difference between night and day levels require a consistent number. Difference 0-10F and 0-10%RH is within range, to maintain those numbers at as close to zero as possible a controller is needed to operate as needed intake/exhaust, CO2, and heat. In search for the best device to maintain proper day/night hum/temp numbers. Any advice???

http://www.nextag.com/serv/main/buy...ls=3&search=electronic+temperature+controller

 

[LUDACRIS.]

A humidity and temperature gauge are essential in any growroom. Daytime conditions should be 70-80 degrees without co2, 80-90 degrees with co2 until the last two weeks when daytime temps should be kept between 70-80 and co2 can be reduced to adjust for the lower metabolism. Night temperatures should be kept above 60 degrees to prevent stress. It is preferrable during flowering to have a night temperature drop of 10-20 degrees to stimulate flowering hormones and reduce stem elongation.

I find that low humidity causes stress on plants. I recommend 50-60% humidity until the final 2 weeks of flowering. At this point, the humidity should be lowered as much as possible to encourage the plant to seal and protect itself with additional resin. (I am able to get the humidity to go as low as 31%) I have been able to frost things up considerably this way. The higher humidity levels prior to final ripening reduce salt levels within the plant tissue and encourage healthy, more lush growth.

(gfaq).

LUDA.