help with hydro?

[WhiteSkunk]

hi all

im running 4 plants on a reciurclated fully auto

 

return, with perlite as my medium,using dutch masters @5:1 in 60lt res with airstone

 

the plants in 3 weeks have done almost nothing ,and what growth is there is either dying off or just trying to hold on , i flush once a week have full ventalation both in and out but they just dont seem like they want to grow but the tips r staying green but lower stuff browning....anyone's veiws greatly appreciated

 

also have been growing succsessfully for the last 5 years neva had this happen b4?????? WS

[Tom]

Check out this site, see if any of the pictures match your problem.

 

http://www.gamers-forums.com/smilies/contrib/ruinkai/coolgleamA.gif http://64.207.13.28/mysmilies/otn/glasses/smokin.gif

[WhiteSkunk]

will do ...thnx tom