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In total 2kW of HPS. Rockwool crutons. Fed twice a day at 16ml bloom GH and 4ml Micro GH per 3.4l. Ph 5.6-5.8. Can't understand what's causing this, immobile nute burn? Lights? They're about 10 weeks into flower.

due to the way this plant has grown (upside down from seedling) the stem has cracked from twisting and turning, should i be worried? What can i do to assist? Also, the plant is looking very healthy aside that, buds just developing slightly slower than rest.

Okay so basically yesterday I noticed some grey streakage on middle to upper leaves which I assumed was Phosphorous deficiency due to not watering in about a day and a half. I am growing in Rockwool cubes and having done research have found that under watering can cause a spike in pH. I assumed...

One of my plants has this patchy yellowy greeness and i cant put my finger on it, root rot? I have this pic from icmag and this is exactly what i have and heres pic of roots. Never encountered this before. Ph consistent between 5.8-6.4. Using lucas's formula, flowering now beginning third week...

Rockwool cubes, GH nutes. 4ml Grow, 4ml Micro and 5-6 ml bloom. Ladies began flowering on 4th. Have been flushing but symptoms seem to remain, i am confused by yellowing in middle of leaf. Under a 400w light, 80 degrees farenheit consistently. Also seem purple stems and unsure about this. She...

Okay guys, been vegging 8 weeks now, all 8 plants have been in 42 litre pots since propagation.. I have just put them into 12/12 two days ago. Whilst clearing out water trays, i noticed very long roots (some even 8 inches long) out bottom of pot. This is for all 8. I wish i could take a picture...

Okay so just general question... I have a schedule for GH nutes, that being this... WEEKLY FEEDING SCHEDULE: Week 1 (rooted clones or 3 leaf-sets on seedlings) : 2.5 ml EACH Grow, Micro & Bloom Week 2: 5ml Grow + 2.5ml Micro + 2.5ml Bloom Week 3: 10ml Grow + 5ml Micro + 3ml Bloom Week 4 until...

Okay so in total, 2000 watts of Metal Halide. This plant under 600w light. Rockwool cubes. Shiva skunk. 200ml feed of mix solution twice a day once morning once night 18 hours on 6 off. Ph 5.8-6.2. Feeding GH nutes 12 ml grow 6ml micro 3ml bloom. Top feeding. Waiting for flower to begin drip...

Ph 6.0, in rockwool cubes (42 litre) directly under 600w light roughly 40-43 inches above the plant, feeding GH nutes 2.0ml of each, roughly 26 days old I am very worried about this plant as it's very slow on growth and not very wide either. I can't put my finger on it guys some help would be...

Hi guys, these seedlings are now 17 days old growing in 3 inch grodan rockwool cubes with roots coming out the bottom for every plant (lots of roots). I have had a couple of them grow up with one leaf and another with one and a half which is odd but probably just unstable genetics. Anyway to the...

Well it seems to me that both plants have zinc deficiency, not going well for these two compared to my other three thriving! White Russian and White Rhino. Is this a zinc deficiency? Help please!

What can greyness at the tips of the leaves mean? Or grey spots on the leaves? I cannot find much about this is it a disease? :confused:

Hi, Need some help determining what the issue is here. Ph is 5.9-6.1, seems the plant on the left has slight yellowing in middle of main leaves, cotlydons are not yellowing much so shouldn't need nutrients yet right? Only using purified water at pH of 6.0 at the moment. No nutrients, under HPS...

Two of the plants look healthier than ever! But this last one is extra tall and has hit its height limit... For some reason, it has also got dried out leaves all over... If any possible explanation could be given, that would be great! And also a solution too... Roughly 2-3 weeks from harvest...

(Various pics of three plants. Ak-47, White Widow and Pineapplee Chunk) Just like to know the public's opinion. I reckon another two weeks and all buds will be golden and ready to go! Let me know what you think. Thanks.

To cut a long story short, are my clones okay as some seem slightly wilting? And two of my three plants seem ill in some way. I know for sure one of them has some deffiency as it is beginning to yellow all round and also has other signs... - Really ill plant - what is the deffiency here...

Some of these leaves consist of drying up and dying, some yellowing. My plants are huge now and I expect that some of it is due to lack of light penetrating the canopy, therefore the lower leaves do not have sufficient light; correct? Furthermore, I believe some of this may have been caused...

Some of these leaves consist of drying up and dying, some yellowing. My plants are huge now and I expect that some of it is due to lack of light penetrating the canopy, therefore the lower leaves do not have sufficient light; correct? Furthermore, I believe some of this may have been caused due...

Just wondering if I have cloned correctly. Are they too small? I would like to know as soon as possible to save myself time in the long run. Thank you. Also, are the bulbs high enough?

First time grow. Managed to get a very good setup (for a first time grow, anyway) 2x 400w HPS and MH bulbs. Fans in and out. Temperature always at 80-95 degree's. Hopefully I'd be able to get a response from some of you all to see what the issue(s) are and how to resolve them? It's been about a...