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Questions Par meter

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Mix
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So I finally decided enough was enough asking this & that & the other/posting when a par meter is really what I need.

i have no understanding of par meters bar they cost a few quid.

any recommendations on brands ect that you can buy in the uk.

I searched Amazon for par meters it showed lux/light as well as par meters 

The light & lux meters were cheaper at around £20 I’m not concerned about price to a point I’d rather buy the right thing.

I take it the light  & lux meters are not going to work the same way a par meter will. I.E I would need a maths brain to convert lux into par 

the pic is a proper par meter ( £ 220.00 ) ?  
it was just one of the few they had just picked a random one to check.

think it’s what I want as it’s the expected price tbh & I’ve enough saved atm to buy it hence this thread.

I can stick them under the light & get a par reading no conversion needed ?

 
Posted : May 5, 2021 11:14 pm
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Mix
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To late to edit the above.

Pics are of the only two they have I don’t have to buy from there I just grabbed them from there for ease.

 
Posted : May 5, 2021 11:25 pm
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@ZN would know this i think mate he has a decent PAr meter

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Posted : May 5, 2021 11:38 pm
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Search for Photone growlight meter on google...

Or watch this...I have the one on the left

 
Posted : May 6, 2021 12:28 am
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Mix
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Erm that’s confused me slightly with what you have it doesn’t show you a par reading rather a Ppdf reading & maths is involved?

honestly I’m looking for something a dummy can use point click and get a par reading ; it doesn’t work like that ? 

 
Posted : May 6, 2021 2:49 am
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Mix
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Part of why it’s confused me is if I Google it all I can find is a free app no actual unit 

the nearest I found was this for about £100 

tbh m8 if it’s a case of forget the app if you want to spend £200 on one rather than mess about looking for it I’d rather do so. 

 
Posted : May 6, 2021 2:54 am
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Mix
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I just had a well funny thought my generation got confused trying to work out beta max players.

mabye this par thing i might have to leave to you younger,wiser or healthier  folks 

sounds complicated like no click & reading.

 

it won’t be the end of the world if maths is involved my eye will soon get used to knowing what’s ok I guess.

there’s no need to explain why I have a problem with maths you folks don’t seem that judgemental Smile

 
Posted : May 6, 2021 3:25 am
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Dobbin
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Check this out Shane from Migrow talks about using a cheap lux meter and he as a conversion chart 

https://podcasts.google.com/feed/aHR0cDovL2dyb3djYXN0cG9kY2FzdC5saWJzeW4uY29tL3Jzcw/episode/ODA4NDY2MzQtOTNjYy00ODIzLTgzOTMtNjI4MDQ5MjU1MDFh?ep=14

Genesis 1:29-God said, “Look, I have given you all the plants that have grain for seeds and all the trees whose fruits have seeds in them. They will be food for you.

 
Posted : May 6, 2021 7:20 am
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Posted by: @mix

Part of why it’s confused me is if I Google it all I can find is a free app no actual unit

It is an app...only for CrApple at the moment, Android is on the way...will save you min £100

PAR is not really a measurement, its a more of a definition of available wavelengths between 400 & 700 nanometers...PPFD is the measurement of available photons of light that hit the leaf surface of the plant and this is what majority of lighting suppliers will use as not many understand PAR LoL

 

Also, that £100 meter you found will only measure LUX...not really a needed one as LUX is photons percieved by humans...and we have much less perception than plants so maths is needed in that case

 
Posted : May 6, 2021 10:00 am
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I bit the bullet a couple years ago and purchased the Hydro Farmer Par meter. There are a couple things that need attention with the meter but it does the job. I paid 135usd for the meter but it is currently sold out everywhere. Seems like lots more people are growing their own with lockdown. Apparently this is an issue with lots of grow kit, especially the good quality stuff that everyone is looking for.

Random acts of kindness make the world a better place

 
Posted : May 6, 2021 1:39 pm
Mix, Stootie, Mix and 3 people reacted


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