Edited by m4x, 11 May 2010 - 06:37 AM.
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leafs turning yellow + ph problems
Posted 11 May 2010 - 06:35 AM
Got a 2 week old female northern lights been having a ph problem ever since i started. It had a low ph of 4 when i trans planed from vermiculite into roots organic potting soil tried watering watered it at 6.5 n no lower n tried watering it at around a ph at 8 n its at a 5-5.4 any advice? i've used no nutrients also n its lsted a lil so that's why it looks small with big leafs
Posted 11 May 2010 - 07:23 AM
That is a very low pH for soil. Can you raise it? Have you got any pH up?
Posted 11 May 2010 - 09:25 PM
You can try liquid silicon. Its good for plants and also has the additional effect as a powerful Ph up solution. Most hydro/grow stores carry it.
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