# Switching lights during flower

**URL:** <https://ilgmforum.com/t/switching-lights-during-flower/60805>\
**Category:** Flowering\
**Created:** [January 6, 2021, 12:59am UTC](https://ilgmforum.com/t/switching-lights-during-flower/60805 "2021-01-06T00:59:00Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![DaygoGal420](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/daygogal420/32/1180384_2.png) [@DaygoGal420](https://ilgmforum.com/u/DaygoGal420)\
**Post date:** [January 6, 2021, 12:59am UTC](https://ilgmforum.com/t/switching-lights-during-flower/60805/1 "2021-01-06T00:59:00Z")

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I upgraded to a Mars Hydro FC 6500. I’m in the beginning of week 5, would it be ok to switch to these lights? I’m going from LED to LED.

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**Author:** ![peachfuzz](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/peachfuzz/32/38092_2.png) [@peachfuzz](https://ilgmforum.com/u/peachfuzz)\
**Post date:** [January 6, 2021, 1:37am UTC](https://ilgmforum.com/t/switching-lights-during-flower/60805/2 "2021-01-06T01:37:27Z")

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I don’t see why not , just start it at the same height or maybe a little higher if it’s more powerful and if they dont freak out in the first couple of days, slowly lower it day by day until you get back to the height that you started out with the old LEDs… 😉👍  
Welcome to ilgm… 😁  
✌🕶

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**Author:** ![DaygoGal420](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/daygogal420/32/1180384_2.png) [@DaygoGal420](https://ilgmforum.com/u/DaygoGal420)\
**Post date:** [January 6, 2021, 4:32am UTC](https://ilgmforum.com/t/switching-lights-during-flower/60805/3 "2021-01-06T04:32:51Z")

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TY!! And I meant beginning of the 5th week of flower. I’m using a 4x4 & I’m worried the FC6500 may be too much light for the tent. Right now I have 2 of those Bloom LEDs & 1 of those Honor ones like in the pics

 ![20210105_203518](https://global.discourse-cdn.com/growingmarijuana/original/4X/c/b/3/cb3ebdf5a0a6cf02e9abeefa5b24e42ac87ccf49.jpeg) ![Screenshot_20210105-203006_Amazon Shopping](https://global.discourse-cdn.com/growingmarijuana/original/4X/6/5/8/65858667ced5cfa6e40a9203c28c6d5492ac1ea0.jpeg)

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**Author:** ![Holmes](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/holmes/32/111888_2.png) [@Holmes](https://ilgmforum.com/u/Holmes)\
**Post date:** [January 6, 2021, 4:54am UTC](https://ilgmforum.com/t/switching-lights-during-flower/60805/4 "2021-01-06T04:54:02Z")

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The fc 6500 is a killer light, too much for a 4x4, but you can turn it down!