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Post by kelly on Nov 26, 2006 19:57:48 GMT
Ah plants ive had enough of them now some of them are getting some blacl spots on them are they dieing?
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Post by mralgae on Nov 26, 2006 21:20:39 GMT
hi kelly,
what type of plants is it affecting? is it all or only some of them? is it defo black spots or is it dark brown? are they pin holes and not spots? need to know cos different ans to all depending on exactly what it is. have your water stats chenged just lately?
some quick answers for you!!
if blotchy...... could be lack of iron(fe)
if pin holes.....could be lack of potassium(k)
if brown spots.....could be lack of magnesium OR to much iron.
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Post by jackpike on Nov 26, 2006 23:25:17 GMT
Is it affecting older leaves and younger leaves looking clear of it?, if so it could be black hair algae, I have a problem with this too. i think too much phosphate is the cause.
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