# Soil testing time line

**URL:** <https://ilgmforum.com/t/soil-testing-time-line/18147>\
**Category:** Nutrients\
**Created:** [March 6, 2018, 9:21am UTC](https://ilgmforum.com/t/soil-testing-time-line/18147 "2018-03-06T09:21:50Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![Medicalgrower](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/medicalgrower/32/248290_2.png) [@Medicalgrower](https://ilgmforum.com/u/Medicalgrower)\
**Post date:** [March 11, 2018, 7:11am UTC](https://ilgmforum.com/t/soil-testing-time-line/18147/21 "2018-03-11T07:11:31Z")

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Ok im going to flower now, put up my HID light, has 4 settings 250W -660W, why would I want to run a low wattage? I have it on 600 ATM, temp at top of canopy 27 deg

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**Author:** ![dbrn32](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/dbrn32/32/533801_2.png) [@dbrn32](https://ilgmforum.com/u/dbrn32)\
**Post date:** [March 11, 2018, 2:18pm UTC](https://ilgmforum.com/t/soil-testing-time-line/18147/22 "2018-03-11T14:18:30Z")

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To control temps for one. But it’s biggest function would be to allow adjustments for stage of plant and size of room.

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