Grow Mediums DWC Northern lights (fem) NooB grow journal

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Hi oh wise AFN growers :-) I have posted a couple of times for help with this little baby so I thought I would just put a grow journal on so feedback/advice can be given if peeps want to input on my grow! My seed is a NL feminized white label I have a 80x80x160cm grow tent 6" fan and 5" inline extractor fan DWC grow in 5 gal bucket (Actual water 14ls) netpot with clay pebbles Lighting: CFL dual spectrum 'giant' 300W Nutes: Advanced pH perfect Micro and Bloom (No grow used from advice given previously) The photo I will attach of the seedling is from last night, to some of you seasoned growers it may shock you but she actually sprouted on the 21st Nov so she's now 33 days old! I have seen pics of 33 day olds that are huge but my baby is still small ;-( I think it is down to the lighting not being as powerful as HPS? I'm sure someone will be able to explain the lack of 'boom' in my growth tho :-) I'll be honest I'm not looking for super huge plants/yields..just quality as it is personal smoke for high times and holidays! but I obviously would not complain about advice to ensure larger plants! When the seedling first developed leaves they were very patchy yellow/green as I most likely drowned her when I transplanted to the DWC (Noob as I say!) and locked out her natural nutes so the first and 2nd true sets of leaves started dying off...never a good thing with autos ;-( and possibly stunted her growth! Inside the tent I'm getting RHumidity averaging 34-52 ranging over a 24hr period with a temp range of 18-26c. Light is on for 22hr out of 24hrs. In the bucket I am maintaining 5.6-5.9 pH in the bucket. I dont have an EC meter only a ppm meter, from what I read ppm means nothing but if its stable you are doing right. As she is still seedling I am using 0.5ml per litre of the Micro and bloom...my tap water is 269ppm...and after res change (21/12) and nutes added ppm total was 325! 22/12 369 ppm. 23/12 369 ppm so she is balanced at the minute with no additional water or nutes since res change. I am correct in some guidance that I up this ppm by 50ppm on the next change and follow this process as long as there is no ill affects on my baby? The other question I would like help on is that sometimes my ppm rises, not outrageously, throughout the week but there is no water level change?!?!? Cant seem to find anything re advice on that! I will try to post a weekly update on my baby so hope you could all assist a noob to produce some fine medication :-)
 

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update

Well my baby is due for her res change on Sunday so il update whats in her pot when thats done! She's slowly coming on but she has also got a problem with her leaves ;-( can anyone help her out??
 

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pH problem or magnesium deficiency. Some guy and me having the same issue live. I'm having a calcium issue. My pH is ok. Check yours. 5.7 is where im at.
 
Hi Cowboy thank you for your response.
Yeah my pH has been sat quite stable at 5.7, when I res change her I set it to 5.5 and the nutes I use are advanced pH perfect so it brings it up to 5.7-5.8.
I have calmag so is it worth putting it in?
What is wrong with the leaf tips? Is it a mould or just dying off due to nute def?
 
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