bloominaroom
New Member
Hello everyone!
I have put this togheter to sum it all up as easy and understandable as i can. I am not native english so my vocabulary is not ideal for this but i think you can still make sence of what im saying
I spent a ton of time into learning all of this stuff just recently, as i did not attend to school. (worst choise ever, stay in school!)
So this Guide is just for those like me, who accually find this stuff hard!
And its not making anything better when alot of the info i found online while learning this is in different measure systems(metric and imperial).
And i Will mention it in the text, but please note
that this is just guidelines for beginners.
Surely you can be alot more accurate with a wider
base of knowledge, and thats why a good foundation to start of with is so important!
calculate your airflow and light needed before you spend alot of money on eighter to much or to little.
Know your maths and use it right=getting the most for your money!
Examples of tent sizes is in metric system but will add everything needed to convert this to Imperial
So, here we go.
CALCULATE WHAT FAN TO BUY:
Cirkulationfans are measured in eighter
”CFM" = Cubic feet per minute.
”CMH”= Cubic meters per hour.
1 CFM=0.58CMH
1 CMH=1.69CFM
you want your cirkulationfan(s) to be able to move the entire airvolume of the tent once every minute.
Meaning that in one hour, your fans moved the entire volume of the tent 60 times !
And to calculate your tents needed airflow, you first need to know how many Cubic meters (m3) your tent is.
Measure your tents m3 here is how:
IN FULL METERS,
(LENGHT) * (WIDTH) * (HEIGHT) = m3
Example: the tent is 100cm*75cm*200cm
take this to full meters, so like this:
100cm=1m
75cm=0.75m
200cm=2m
It should look like this. 1*0,75*2=1.5
So, in this case. The tent would be 1.5m3
And as mentioned above, you want to change the
Air out 60 times/hour.
Formula for this: m3*min=m3/h
So we take our tent size, 1.5m3.
And we multiply by 60 minutes. So, 1.5m3*60min=90m3/h.
90m3/h is the optimal airflow for this tent.
90m3/h=90CMH
If you want this to CFM.
1CMH=1.69CFM
90*1.69=152CFM. So thats the size you want for this tent. (Getting one with a high/med/low setting with high is slightly above. Medium as close to what we need as possible. And low just under that is the optimal, since we dont always need full blast)
HOW MANY WATTS DO YOU NEED ?
Also here, This is no exact science. As there are different kinds of lightning and
Reflectors etc.
But the basic W needed usually is said to be ~35W/ft2 or ~370W/m2
1m2~10.5ft2
1ft2~0.09m2
Im gonna use the same tent size as in the first example.
100cm*75cm*200cm (1m*0.75m*2m)
But the formula here is not longer m3, its m2
(M3=CUBIC METER. M2=SQUARE METER)
Now it looks like this:
In full meters
(LENGHT)*(WIDHT)=M2
The height is no longer in the equation.
So, 1*0.75=0.75m2
Now we know the tent is 0.75m2.
And we also know we want 370W/m2.
So we take 370W*0.75m2~277W
We need about 270W of power to reach optimal light per/m2.
For ft2 its the same formula but with the numbers measured in ft.
Remember this is no exact math. As spectrums etc also make a difference.
I hope this becomes useful for those getting started. And hopefully saves
A few dollars on not buying more than needed
Happy growing People!❤
I have put this togheter to sum it all up as easy and understandable as i can. I am not native english so my vocabulary is not ideal for this but i think you can still make sence of what im saying
I spent a ton of time into learning all of this stuff just recently, as i did not attend to school. (worst choise ever, stay in school!)
So this Guide is just for those like me, who accually find this stuff hard!
And its not making anything better when alot of the info i found online while learning this is in different measure systems(metric and imperial).
And i Will mention it in the text, but please note
that this is just guidelines for beginners.
Surely you can be alot more accurate with a wider
base of knowledge, and thats why a good foundation to start of with is so important!
calculate your airflow and light needed before you spend alot of money on eighter to much or to little.
Know your maths and use it right=getting the most for your money!
Examples of tent sizes is in metric system but will add everything needed to convert this to Imperial
So, here we go.
CALCULATE WHAT FAN TO BUY:
Cirkulationfans are measured in eighter
”CFM" = Cubic feet per minute.
”CMH”= Cubic meters per hour.
1 CFM=0.58CMH
1 CMH=1.69CFM
you want your cirkulationfan(s) to be able to move the entire airvolume of the tent once every minute.
Meaning that in one hour, your fans moved the entire volume of the tent 60 times !
And to calculate your tents needed airflow, you first need to know how many Cubic meters (m3) your tent is.
Measure your tents m3 here is how:
IN FULL METERS,
(LENGHT) * (WIDTH) * (HEIGHT) = m3
Example: the tent is 100cm*75cm*200cm
take this to full meters, so like this:
100cm=1m
75cm=0.75m
200cm=2m
It should look like this. 1*0,75*2=1.5
So, in this case. The tent would be 1.5m3
And as mentioned above, you want to change the
Air out 60 times/hour.
Formula for this: m3*min=m3/h
So we take our tent size, 1.5m3.
And we multiply by 60 minutes. So, 1.5m3*60min=90m3/h.
90m3/h is the optimal airflow for this tent.
90m3/h=90CMH
If you want this to CFM.
1CMH=1.69CFM
90*1.69=152CFM. So thats the size you want for this tent. (Getting one with a high/med/low setting with high is slightly above. Medium as close to what we need as possible. And low just under that is the optimal, since we dont always need full blast)
HOW MANY WATTS DO YOU NEED ?
Also here, This is no exact science. As there are different kinds of lightning and
Reflectors etc.
But the basic W needed usually is said to be ~35W/ft2 or ~370W/m2
1m2~10.5ft2
1ft2~0.09m2
Im gonna use the same tent size as in the first example.
100cm*75cm*200cm (1m*0.75m*2m)
But the formula here is not longer m3, its m2
(M3=CUBIC METER. M2=SQUARE METER)
Now it looks like this:
In full meters
(LENGHT)*(WIDHT)=M2
The height is no longer in the equation.
So, 1*0.75=0.75m2
Now we know the tent is 0.75m2.
And we also know we want 370W/m2.
So we take 370W*0.75m2~277W
We need about 270W of power to reach optimal light per/m2.
For ft2 its the same formula but with the numbers measured in ft.
Remember this is no exact math. As spectrums etc also make a difference.
I hope this becomes useful for those getting started. And hopefully saves
A few dollars on not buying more than needed
Happy growing People!❤