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Thread: HPS advice for a friend

  1. #1

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    Default HPS advice for a friend

    I have a friend (it's me) who needs advice because he's a bit thick and I said I'd sort him out.

    This 'friend' is just pondering a move from LED to HPS and doesn't want to cause a fuss or anything but he (or she - but it is he) is happy as Larry with two 400W COBs pulling 200W each but thinks that he (or she) could do better with a dimmable 600W HPS with a circa 40cmx40cm reflector (perhaps with a cool tube at a later point)

    His (or her) tent is 120(W) x 60(D) x 120(H) and this absolute idiot that I know is asking if that would be a suitable size for a basic HPS kit...you know, to dip his (or her) delicate toes in.

    Would the heat be too much for a passive intake but with a 4" RAM extractor? Allegedly, the tent temp with the two COBs running is 27C with ambients as they are in his (or her) particular part of this green and pleasant.

    Would a cool tube tube significantly reduce the temps if he (or indeed she) were to buy one?

    I told you they were a bit dim.

    Forgive me for asking on their (stupid) behalf.
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  3. #2

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    Quote Originally Posted by Herbitual View Post
    I have a friend (it's me) who needs advice because he's a bit thick and I said I'd sort him out.

    This 'friend' is just pondering a move from LED to HPS and doesn't want to cause a fuss or anything but he (or she - but it is he) is happy as Larry with two 400W COBs pulling 200W each but thinks that he (or she) could do better with a dimmable 600W HPS with a circa 40cmx40cm reflector (perhaps with a cool tube at a later point)

    His (or her) tent is 120(W) x 60(D) x 120(H) and this absolute idiot that I know is asking if that would be a suitable size for a basic HPS kit...you know, to dip his (or her) delicate toes in.

    Would the heat be too much for a passive intake but with a 4" RAM extractor? Allegedly, the tent temp with the two COBs running is 27C with ambients as they are in his (or her) particular part of this green and pleasant.

    Would a cool tube tube significantly reduce the temps if he (or indeed she) were to buy one?

    I told you they were a bit dim.

    Forgive me for asking on their (stupid) behalf.
    Cool hoods work wonders for me, tell your friend😉

    Sent from ⚒Thames Iron Works⚒

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    Quote Originally Posted by Herbitual View Post
    I have a friend (it's me) who needs advice because he's a bit thick and I said I'd sort him out.

    This 'friend' is just pondering a move from LED to HPS and doesn't want to cause a fuss or anything but he (or she - but it is he) is happy as Larry with two 400W COBs pulling 200W each but thinks that he (or she) could do better with a dimmable 600W HPS with a circa 40cmx40cm reflector (perhaps with a cool tube at a later point)

    His (or her) tent is 120(W) x 60(D) x 120(H) and this absolute idiot that I know is asking if that would be a suitable size for a basic HPS kit...you know, to dip his (or her) delicate toes in.

    Would the heat be too much for a passive intake but with a 4" RAM extractor? Allegedly, the tent temp with the two COBs running is 27C with ambients as they are in his (or her) particular part of this green and pleasant.

    Would a cool tube tube significantly reduce the temps if he (or indeed she) were to buy one?

    I told you they were a bit dim.

    Forgive me for asking on their (stupid) behalf.
    I would not try this with an open reflector. Cool hood or tube is a must imo.

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    I have passive intake in a loft but use a 8” rvk for extraction with cooltube linked and it’s mannagable.tell ya friend 😉😉


    Sent from my iPhone using Tapatalk

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    You (Oops! He) will most probably need to increase fan & filter size....
    It's Not What You Know, It's What You Can Prove

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    Quote Originally Posted by M_C View Post
    You (Oops! He) will most probably need to increase fan & filter size....
    FFS!

    It's not me! Der. Sweet Darwin above!

    But if he (or she - getting a bit bored of typing that now) was using a 4" Rhino Pro avec a cool hood and big 4" RAM extractory thing, do you think that that would possibly solve their problem?

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  13. #7

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    It's well above my HPS size so I am unsure but I use a 5" fan/filter with a controller on a 250w HPS for noise reduction

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    Quote Originally Posted by M_C View Post
    It's well above my HPS size so I am unsure but I use a 5" fan/filter with a controller on a 250w HPS for noise reduction
    She's (or he - saved a key stroke) asked me whether that would cover a 120x60cm floorplan, M_C - I'm sorry, but she's insistent.

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  17. #9

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    My floor space is only 58x76 so a little out my depth on bigger setups which become guess work for me

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  19. #10

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    Quote Originally Posted by M_C View Post
    My floor space is only 58x76 so a little out my depth on bigger setups which become guess work for me
    What sort of monolithic scale is that?

    Cent of your metres or inches or something?

    ;-)

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