Sweet Amnesia Haze(DWC)

Hi there,Mine Sweet Amnesia Haze has the same symptoms like yours.Brown or black spots on leaves and some tips burn (excess of nutrient, but I prefer that tips burn.It means they have enough food.)Start showing at one to two weeks after flowering.Start from here and there on fan leaves.Then Spreading to top leaves.I think it’s normal to show symptoms like that in the late flowering stage.Plant is focusing on developing buds.So I just focus on my buds pests, mold or rot.BTW you can also check on other Amnesia diaries (@BudGood have the same symptoms like us).Happy growing... ✌️

Aahhh, one of my favourite strains! I would be concerned that is is the beginning of mould/fungi, and would be keeping moisture in the grow area to a minimum, and possibly checking your flower for any mould/fungus growing within the flowers, and if found, removing the affected parts immediately, before it spreads and you could potentially lose even more. Knowing how solid and dense Amnesia Haze is, this would be my first concern. Seeing as this part is closest to the light where it is the warmest, would suggest to me it is also the most humid spot too, leading to possible mould/fungus issues. Your plant looks to me as being ready to harvest, so it may be wise to do that sooner rather than later, especially if you do diagnose the problem as mould/fungus. Better to get what you can while it is still relatively healthy, than wait too long and letting any problems potentially spread throughout everything. I have never had any problems with growing this strain outdoors, even in temperatures as high as 45+ Celsius, so I doubt it is heat stress, unless there is no or very little air movement. Hope this helps.... Organoman. PS - see my diary "How Sweet it is" for some outdoor Amnesia Haze pictures.

Depending on the EC of what you run normally, you may not even need much of a flush. in hydro it's such a short timeframe that it won't have any measurable negative impact on yield or quality. While i doubt hydro vs a solid substrate would make much of a difference, initial studies show flushing makes difference with the mineral content of the buds. this has to do with biological processes, so it's fairly safe to say that substrate variable is not likely to be relevant. If you run a moderate ppm/ec, i wouldn't worry too much or maybe just halve it in future.. either way the leaves will make up the difference in the short-term. as far as ata clean.. i'd rather clean it between uses than add anything the plant could uptake -- 'safe' or not. seems like it's a minimum saving in time. can treat the system between use for same effect. unless there's some convenience i am missing.. convenience and personal preferences carry a heavy weight.