plant problem

zippythehippy

Active Member

• Mar 5, 2011

• #1

cal def or ph lock out
im not sure i now the pics not clear but i got rust coloured type spots on like 4 leaves

 

Muffy

Active Member

• Mar 5, 2011

• #2

I think it's magnesium deficiency. You using coco?

 

zippythehippy

Active Member

• Mar 5, 2011

• #3

no im using soil 600w hps feeding tomorite and seaweed extract also mixed bone meal into the soil and i mean like 1 tbl spoon in 18l pot ive done this before with no bad sideeffects im guessing either the ph is out and i need to flush or i need calcium

 

Muffy

Active Member

• Mar 5, 2011

• #4

Maybe I'm wrong but I think calcium is dots and magnesium is blotches.

 

zippythehippy

Active Member

• Mar 5, 2011

• #5

so a dose of cal mag would sort both problems ?

 

Muffy

Active Member

• Mar 5, 2011

• #6

I think they lock each other out at high doses so if you use hardwater from the tap it might get worse with cal-mag. You should mix a strong dose of nutes and flush with that.