cfls k and lumens???? is this enough light?

whats up everyone ive been looking at this site for a long time but now ive got questions! i grow under 7 27watt 100w equivilent 5000K cfls1750lumens is this suffecient for three plants? and idk what the difference is between lumens and k? im just about to switch to7 42watt 150w 2700k 2600lumens equivilent will this be enough for three in flowering? im also using foxfarms nutrients( open seaseme, beasti blooms, and cha ching!) this is a pic of what they look like now tell me what u think

that sounds ok for 3 plants
the difference between lumens an kelvins
lumens is how much light the bulb puts out an kelvins is the colour of the light
hope that helps m8
+ rep

In general, the rule is you need 7,000-10,000 lumens per square foot so if you are growing in only a 2 foot squared area, that is like the minimum amount of lumens you can have to grow a little something. I would recommend you get more lights if possible