Long time Listener, First Time Grower. HELP PLEASE!

My lady is not looking good…

Will she still produce buds if this happening? Can you still smoke the buds?

She’s a little over a month old growing in FFOF. Temp 75, Humidity hovering around 65

What should I do? Are the leaves every going to survive? Should I cut them off?

I’m running a slurry test right now, but I think it’s to late

Don’t assume that she is gone. I have a similar problem with a plant I am growing right now.

Some information about your grow will help us help you.


A support ticket will help us help you. Can you please fill out a support ticket? Please include what type of water you are using (RO, distilled, tap.)

COPY/PASTE the below list into your forum post.

Answer these simple questions the best you can.

If you do not know, or do not use something; Just say so; Or post

NA (non-applicable)

• What strain, Seed bank, or bag seed

• Method: Soil w/salt, Organic soil, Hydroponics, Aquaponics, KNF

Soil brand and type

• Vessels: Pots, Grow beds, Buckets, Troths

• PH of Water, Solution, runoff (if Applicable)

• PPM/TDS or EC of nutrient solution if applicable

• Indoor or Outdoor

• Light system

• Temps; Day, Night

• Humidity; Day, Night

• Ventilation system; Yes, No, Size

• AC, Humidifier, De-humidifier,

• Co2; Yes, No

If growing Hydro some additional questions:

-DWC? RDWC? Autopots? Ebb and Flow? Other?
-Distance of liquid below net pot (DWC)
-Temperature of reservoir
-TDS of nutrient solution
-Amount of air to solution

Always try to upload a clear picture of any issues you may have to allow the community to assist you. Pictures taken under natural or white lighting are by far the best.

Add anything else you feel would help us give you a most informed answer should be included. Feel free to elaborate, but short and to the point questions and facts will help us help you in a more efficient manner.


Have you check numbers going in and runoff?

1 Like

[thanks @MidwestGuy and @beachglass for the help
What strain, Seed bank, or bag seed: GDP auto

• Method: Soil w/salt, Organic soil, Hydroponics, Aquaponics, KNF: Soil FFOF

Soil brand and type

• Vessels: Pots, Grow beds, Buckets, Troths: 5 gallon cloth pots

• PH of Water, Solution, runoff (if Applicable): I set up an irrigation system, tested water in reservoir yesterday 6.2

• PPM/TDS or EC of nutrient solution if applicable: just ran slurry test: 5.7, not sure if I did it right, I tried doin 2:1 ratio with 29 grams of soil and 60ml of distilled water but it wasn’t wet enough, just looked like mud so I put in another 30ml to run the test

• Indoor or Outdoor: indoor

• Light system: SF1000d 24/7

• Temps; Day, Night hovers around 75

• Humidity; Day, Night: hovers around 65

• Ventilation system; Yes, No, Size: in-line fan with carbon filter, turns on when humidity is over 70

• AC, Humidifier, De-humidifier,: recently took out humidifier as the plant was big enough to keep humidity up

• Co2; Yes, No: no

@beachglass I haven’t tested run off, but will tonight after watering

@Jonny420 The light i believe is only 100w. It won’t be a big yield but u should get something. what is light?

The light is 96watts 12in above. Is okay for leaves to look like this into flowering stage? Here’s a top shot

@Jonny420 You on 24/7 still? I think they need some dark time, also. Could u try 18/6.
Even autos need some night time.

1 Like

The most common cause of the issue you are seeing are pH and PPM. Runoff pH should be in the range 6.3 - 6.8 and runoff PPM should be ~1,000.

I wouldn’t worry too much about the lower leaves. They will develop blemishes, yellow, and eventually fall off as the plant matures.


Okay, I’ll switch to 18/6. Thought since it was auto it could take 24/7, also saw some posts of people doing 24/7 with autos and they looked good by the time they were ready to harvest so I was hoping I could do the same. All good though, I’ll switch to 18/6

1 Like

@MidwestGuy @beachglass With the soil slurry coming back at 5.7 which isn’t to far out of the range is it safe to say the ppm is off? I don’t have a ppm meter, but will get one asap. She’s entering flowering so I imagine she’s taking in more nutrients. I want to give her some FoxFarm bush Doctor cal-mag that I have. If I just water with 6.5 ph water and test the runoff ph I feel it is going to be to late by next watering to give cal-mag.

@beachglass regarding the light wattage and yield, I’d be happy with 2oz dry, do you think with her size she could do that? If she survives

5.7 might seem not too far off, but in actuality is it way off and will cause significant problems. pH is measured on a logarithmic scale, so 5.7 is way off the mark.

On a log scale, a single point of 1.0 is actually a 10x difference. If effect, 5.7 is 5 times too acidic, not 0.5 times too acidic. A pH of 5.7 locks out all macronutrients. The plant is incapable of uptaking nitrogen, phosphorous, potassium, calcium, and magnesium at a pH of 5.7.

A pH target of 6.5 is a good one.


@MidwestGuy another lesson from Canna 101 taught by you sir!!

1 Like

Thanks @MidwestGuy! What level ph should the water be to try and even it out, 7? Or more?

1 Like

I see you are using FFOF. FF soils are pH buffered. FF soils will auto-correct to around 6.5 with a good flush. I expect that you have a low pH due to a fertilizer salt buildup (and therefore have PPM problems that need to be addressed.) Get a product like Sledgehammer and flush per the directions then run a few additional gallons of plain water through the pot to wash the Sledgehammer out. Sledgehammer is a wetting agent and you don’t want to leave it in your soil for optimal results. Check your pH in the final runoff. Only do pH adjustments if the pH is not somewhere between 6.3 and 6.8.

You need a PPM meter to avoid overfeeding or underfeeding. You should test runoff with a PPM meter and ensure PPM is maintained around 1,000, give or take a hundred or 2.

Be sure to pH adjust your feedings going forward. Mix your nutes, adjust the pH with a product I’ll link below, and test your runoff for both pH and PPM every time you water or feed.

Doing a flush will run your PPM down to around 250 - 300. Be sure to give a full feeding when the soil dries following the flush.

@Jonny420. Have patience my brother and get your ph level within tolerance…i believe that will help your plants health tremendously and get her back on track… this is one of my super skunk auto’s at day 24 … 1st pic was taken about 16hrs ago…

2nd pic of her 1hr ago… so there’s about 15hrs of grow time in between the 2 pics… she’s almost doubling in size every 24hrs


Thanks @MidwestGuy! When you say to flush with a couple of gallons of plain water after sledgehammer, can I use tap or should I use distilled? This is going to sound so dumb excuse the noobness, I haven’t read up on flushing. So we purposefully overfeed the shit out of her to get all sledgehammer out, after flushing do the leaves completely droop? After flushing do you HAVE to add nutes to get ppm back up to around 1000? In other words, will the ppm stay low after flushing and the only way to bring it back up is with nutes? How do you know which nutes to add to get back up to 1000? Thanks man

1 Like

Yes. It’s best to always use distilled or RO water.

Water only.

Sometimes. It’s nothing to worry about.

Wet soils does not absorb nutes very well. Resume normal feeding when the soil is dry. Cannabis needs wet/dry cycles.


Follow the nute manufacturer directions for normal dosing, then maintain a PPM of ~1,000 as best you can. It’s something you learn over time.

Thanks @MidwestGuy with all of the help. I can’t get sledgehammer shipped until next week. Can I just flush with distilled water instead of using sledgehammer?

update Just found out that I can not have sledgehammer shipped to my address

1 Like

Yes, that will help. It will just take more water to get the job done.

What product are you feeding the plant?

I’ve only been feeding her tap water adjusted to 6.5ph haven’t added any nutes