Poisonfrog
Active Member
Does someone know why leafs got this spots ? Maybe it is to hot or light is 2 strong?? Before 3 days i put co2 bag in grow tent is it maybe 2 much co2 ??? Pls help
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- Thread starter Poisonfrog
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LeastExpectedGrower
Well-Known Member
CO2 bags don't really do anything...so that's not it.
Looks like you need some magnesium.
Looks like you need some magnesium.
Poisonfrog
Active Member
I have this and i give it every wathering.. is it possible that i overwathered the plant
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speedwell68
Well-Known Member
That is possibly why you are having issues. Too much calcium can block other elements. Your water might already have enough calcium already. Ny water has no calcium at all and I only give it when I put them in their final pot and at the start of flowering and then every other week. Do you know the PPM of your water?
Poisonfrog
Active Member
I dont know ppm of my wather.. hmmm should i just wather it witouth nutrients... or ? Im panicking a little bit at the moment...
PopAndSonGrows
Well-Known Member
Stripes = mag. Spots = cal.
Literally needs calmag. Are you in cheap coco, by chance? -- i often get the "mag stripes" but never really the calcium spots
Poisonfrog
Active Member
I bought biobizz all mix soil.. i dont understand cuz i always wather with calmag from biobizz... and plant needs more calmag !?!?!
speedwell68
Well-Known Member
Don't panic.
Whilst the plant needs calcium, too much calcium can block the other elements. I used to have calcium problems because my water has no calcium at all. I only discovered this after I bought a cheap EC pen from Amazon, my water has a PPM of 23, which is stupid low. I spoke to my water company and their analysis of my local water described the calcium content of my water as nil. I give Calmag once when I pot them up. Once after flowering has begun and then every other week until a couple of weeks before harvest.
Biobizz are in the business of selling fertiliser products, they don't know or care how much calcium is already in your water, they just tell you to add it. If it causes a problem they can sell you another product to fix the problem. To me it looks like you leaves are starting to fade, which to me suggests a lack of nitrogen, which could be caused by too much calcium. I'd stop giving calmag and see if things improve.
Is this your first grow? I used to grow years ago and then stopped. I started again during covid. It has taken me a couple of years to get things dialled in, the learning curve is massive. Recently my regular brand of soil has been discontinued. I have basically started from scratch again. I was using a single bottle feed, in my new soil that wasn't working so well. So I went back to using Old Timers, very similar to BioBizz, I followed their schedule and immediately got nitrogen toxicity.
OhNo555
Well-Known Member
You are right they just want you to keep buying that bottled shit to get your money. Keeping it simple makes fixing problems much easier, less to decipher for a proper right fix the first time.
speedwell68
Well-Known Member
I don't see the point of blinding giving calmag, when they have no clue if they need to or not. There is every likelyhood their water has enough already.
Poisonfrog
Active Member
Tnx for a very big reply, yes i blindly listen to description to always add call mag when im feeding them, i will not use it and i will see what happens im gonna buy tomorow ec pen, tnx for taking time to reply to me and sry if my english is not 100 percent correct this is my first grow from start in growbox..
Poisonfrog
Active Member
And i dont know can i cut of some fan leafs because they are too big and are
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Poisonfrog
Active Member
I think my next grow i will top it and try to mainfold this kinda pain.. 2 much shoots everywhere
speedwell68
Well-Known Member
I'd leave them be until you have fixed your issue. TBH they look pretty good all things considered.