I need second opinions, mg deficient?

So this is my first grow, im using age old organic growing soil with age old grow nutes. My lighting is 3 100 watt equivalent cfl bulbs, 2 are soft white and one is true color. These are clones were bought at a local dispensary. Planted them in pot with the rock wool.

Problem is they are slowly turning more and more yellow. With brown spots starting on some of the tips. The yellow is starting at the tips. Im thinking its a mg deficient? and not nute burn from what ive read. so im thinking about watering with some epsom salt. And if that doesnt work try flushing it?

This is an example, no browning on this one

You should post the pics with the post people think
there nothing to look at so won't even look at you post~
As for your plant you said they were in rock wool but
that don't look like rock wool to me. I'm thinking it's in
maybe the wrong dirt or something ~

looking at leafs plants are hungry for food

BUDweiser' said:

You should post the pics with the post people think
there nothing to look at so won't even look at you post~
As for your plant you said they were in rock wool but
that don't look like rock wool to me. I'm thinking it's in
maybe the wrong dirt or something ~

Click to expand...

rock wool is in soil.

put a better picture where the whole plant is seen
it does look like mg def but a better picture is needed to tell

and anyway, don't be too quick to get that epsom salt, mg def is likely to be cause by nutrient or ph lockout, check that as well.

if you're using RO water or distilled then you should be adding some epsom anyway.