deficiency?
Need a bit of help identifying this problem and how to correct it..
All old growth is green but the new growth is yellow.. I know new growth generally is yellow but this isn't getting any better as the days go by...
Growing in DWC, GH nutes 0.6 ec, background ec is 0 because I use RODI water, although yesterday was the first full res change with it but the week before I had to use mineral water from asda... temps don't get above 29 lights on lights off around 20
Cheers
cheers
Have patience, I'm new to this growing shit
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