Rusty Leaf Spots on fan leafs

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Luciano6694

Member
Hello Everyone I m looking for some help with this new deficiency I meet, 7 weeks autoflower, soil, biobizz nutrition, the spots show up a week ago, the ppm was 1032 at last check, is this bugs, calcium deficiency or I m not giving enough food or too much food. Obviously is definitely a problem that need to be fixed ASAP. Please help me find out this issue
 

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Bukvičák

Bukvičák

Well-Known Member
Looks like calcium. What is you water source and its pH after mixing nutes? Do you adjust pH when go only plain? Not familiar with these nutrients, can you provide schedule you follow? Also whole plant foto gives more clues...
 
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Luciano6694

Member
I m suspecting calcium deficiency as well because I didn't give a lot of food but I never meet this kind, obviously I always adjust the pH always between 6-6.2 l, always was same pH, regarding food scheduling I give it half of the portion recommended for 1.5 l of water so I try to give low nutrition just because I had a previous bad experience with overfeeding even if the food is organic.The water I use is the from shops
 
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Luciano6694

Member
Bukvičák said:
Looks like calcium. What is you water source and its pH after mixing nutes? Do you adjust pH when go only plain? Not familiar with these nutrients, can you provide schedule you follow? Also whole plant foto gives more clues...
Click to expand...
I m suspecting calcium deficiency as well because I didn't give a lot of food but I never meet this kind, obviously I always adjust the pH always between 6-6.2 l, always was same pH, regarding food scheduling I give it half of the portion recommended for 1.5 l of water so I try to give low nutrition just because I had a previous bad experience with overfeeding even if the food is organic.The water I use is the from shops
 
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