Its seem’s to be only on the lower leaves… this is pretty normal… it happened with both my first 2 grows
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She looks very good to me. 
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Might be nutrient burn happens all the time looks healthy
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I don’t believe those spots to be nutrient burn. Check on the underside of the leaf for bugs. Also, can you take a pick when the light different so we can see the color of the spots? I could be wrong but I think you have a micronutrient issue. Maybe calcium or magnesium deficiency.
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@Marcos,
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(#TeamHasGotYouCovered): {
}: -
(We Can First Start With Seeing If Your Pod Is Dry Yet):?
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(It’s Good To Keep Track Of Your Nutrient Usages, To See If They Are Dispersing Properly After Every [Drain/Fill]):
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1.) A picture of your plant’s roots. Simply lift the lid a couple inches, snap a picture of the bottom of your coco pod. {This Checks To See If They Look [Good/ White/Clean/Healthy]
-And- Not [Slimy/Stinky] }:
{Slimy 
}:
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2.) A picture of your plant’s stem. Simply lift the bottom canopy to reveal where the stem meets the coco pod, snap a picture. {We Are Checking To See If It Is Healthy -And- Not [DampingOff]}:
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3.) What type of water are you using? RO, distilled, tap, other? {Tap Water Not Best To Grow With}:
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4.) Have you made any modifications to the unit or environment? (i.e. Add a chiller to your tank, humidifier to the room)
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5.) Have you added any supplements to the reservoir? (i.e. Hydroguard to fight root rot)
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6.) Have you adjusted your schedule at all? (i.e. Shifted a stage, added more time to a stage)
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): {Search …
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7.) Have you cleaned and calibrated your pH probe between grows? If this is a new unit, it will arrive calibrated. If not, a calibration in between grows is necessary to maintain your probe’s accuracy.
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8.) (We Will Need To Know Your Grow Envirement Temps [Water/Air/Humidity]):
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9.) (What Stage Is Your Grow On [Germination/EarlyVeg./LateVeg./Transition/Flower/Flush]):
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Please let us know, and we can then combine your answers with your data to get a clear picture of what’s happening.
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@Marcos,
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(If The Above List Did Not Help, -Then- You Can Put In A Ticket [
] Where Support Can Assist You): (Your Roots Are A Little Discolored, Are You Using Extra Nutrients In Your Grow):? (Is Your Roots [Slimy/Stinky]):? (Your Nutrients Dispersing Properly):? (Make Sure Your Pod Is Dried Out At This Stage, Where Your Roots Are In The Water -Or- [Damping-Off] Can Happen): -
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(You Can Put In A Ticket [
] To See If Support Can Offer Some Insite On This Common Phenomenon):
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- - - [2021-08.13]:
@ViragroCEO,
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(Now That You Have A Nice Root, You Are Ready To Lift Your Pod Gently): (Squeeze Some Water Out, -Then- Proceed To Lift It Up To The Bottom Of The Cone Of The Lid): (This Will Prevent Her From Getting Damping Off Soon):
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1 Like
Update*. Turn out the room where I had te Grobo was to hot . I moved it to the basement and she is looking great now
2 Likes
Will absolutely do!
1 Like
I had my Grobo in the bathroom my first attempt earlier in February, and my plant died after a month. Turned out that the bathroom temp was simply too hot for the unit. Now, it’s in my air conditioned kitchen/dining room, and this new grow is the happiest I’ve seen ever.
Room temperature and air conditioning makes the absolute difference.
Happy improved gardening! 
1 Like