uk falling temps

[original Blues]

Uk hello we are all in a cold spell at the mo me room with the lights on is at a nice 26c night falling to 14c this temp range is a little high. do you all think this is ok??

I think it may be ok but worried the roots may feel the pain im thinking of turning the pump on a couple of times through the night to keep them warm my res temp is 27c.

any input would be great??

 

[fatigues]

Your reservoir is too warm. You would rather the reservoir was a constant 16-18c. Colder water holds more oxygen, inhibits anaerobic bacteria growth and is best for your plants' roots.

A temp swing of 21 (lights off) to 26/27c lights on at canopy level is fine. A drop to 14? Not so fine - you can shock the plant more than you would prefer to do that way.

Chill the rez and warm the air

 

[cyberwax]

keeping the water temprature at 16c wouldnt be recommended tho, not by me anyway, 18-20c would be better. But i agree 27c is madness and a pythium/root rot/stem rot/algae infestation waiting to happen, believe me i have experienced this.

14c is a little low but wouldnt result in much other effects than more stretching. Buy a safe heater for the night and turn up the fans during the day.

 

[george j warner]

soz i work in degrees F lol ... more precise

im pritty south , but with a 150watt tank heater in a 90 LTR tank i can happily run a perfect 68 degrees wot ever the weather . i run the pump for 15 minutes every 3 hours, the roots wont have time to get cold lol its 70 degrees in the chamber with the lights , about 65 at night plus a heater ... there fine

yer i dam cold out there, just run your lights at night and a heater plus thermostat in the day time

 

[cyberwax]

yer i dam cold out there, just run your lights at night and a heater plus thermostat in the day time

Well here its so cold now that day or night doesnt matter.

 

[george j warner]

heater ... were only screwed if the grid goes down ... touche wood

 

[original Blues]

Hay all many thanks for you your help!!
well I have changed my res temp and maintaing a steady 21c. I purchased a 3 setting 1000w thermostat controlled oil heater from BQ for 25 quid and this is keeping my night temp at 20c and a day temp at 28c this is the best I can do and it has made a big difference i have noticed a leaves greening up and looking healthier im on week 5 looking ok sww what you think...
http://www.icmag.com/ic/picture.php?albumid=12324&pictureid=268169
http://www.icmag.com/ic/picture.php?albumid=12324&pictureid=268168

 

[Zebedeee]

Hi there,

I have have had exactly the same problem can I ask how you have stabalised and brought down you resevoir temps?

 

[sophanox]

I had this same problem and tried everything: frozen ice bottles, taping up the rez, raising the rez off the floor yadda yadda, but in the end i just ended up spending 100 bucks on an aquarium chiller. Defo worth the money, my rez now stays at a constant 68F + an added bonus is the pipe carrying water back from the chiller acts as a waterfall in the rez = even more oxygen!