Ec /ppm question for first week on rockwool

[iagree]

Hi fellas, my seeds sprouted 2 days ago in 2" rockwool cubes.What is the correct ec for first week on rockwool ?

 

[FreezerBoy]

Start at 25% of whatever your bottle recommends for vegging a mature plant. After that, use EC and pH to determine proper feed levels

 

[noreason]

I start with 0,5 - 0,6 mS\cm

0,2 mS\cm are from the tap water (Ca and Mg) and 0,3 - 0,4 of nutes

never seen issue this way

 

[iagree]

thanks.