Yellowish lime green leaves. New growth leaves.

[chileanblend]

What could be causing my leaves to turn yellowish lime green

[billygoat]

Hungry ?

[Mr. E]

Intense light can do that, don't know what you're running lights may be to close

[Tunkers]

If you want accurate feedback / opinion / diagnosis you should probably add info about your grow.

[chileanblend]

Grow 2 plants.

Temp in tent. 23degreez. when lights off.

27 when lights on.

Soil ph 7.8

Using 250w dual cfl. 2700k and 6400k. Also using 130w cfl 2700k.

12/12 time.

Using canna a and b. Only been using 2mls of each per litre.

 

Was gettin some nute burn so did do a flush recently.

[Serrated edge]

Ph is way too high .you only said soil for your medium ... is it earth ?

 

No mention of EC .

[chileanblend]

Its actually coco. Sorry. What is the easiest way to bring the ph down in the soil

[brick]

Ph is way too high .you only said soil for your medium ... is it earth ?

 

No mention of EC .

Yep looks like nute lock out. soil/potting mix should have ph 6.5 - 6.8, 7 at a pinch. If it is dirt I would get some good quality potting mix eg Searles premium potting mix or Yates potting mix and transplant. Also ad a bit of perlite to the mix (available in small bags at Bunnings). 

Less is better when growing the herb. Half nutes to start with. Use about three or four waterings then water with plain ph adjusted H2O then back with the nutes slowly increasing to full strength over time. Canna seems to work better with their own potting mix. I use off the shelf Nitrosol when using other brand potting mixes. They love it. Oh and Cannazym for the roots used rarely.

[brick]

Yep looks like nute lock out. soil/potting mix should have ph 6.5 - 6.8, 7 at a pinch. If it is dirt I would get some good quality potting mix eg Searles premium potting mix or Yates potting mix and transplant. Also ad a bit of perlite to the mix (available in small bags at Bunnings). 

Less is better when growing the herb. Half nutes to start with. Use about three or four waterings then water with plain ph adjusted H2O then back with the nutes slowly increasing to full strength over time. Canna seems to work better with their own potting mix. I use off the shelf Nitrosol when using other brand potting mixes. They love it. Oh and Cannazym for the roots used rarely.

Using coco! Then disregard everything I wrote. Should have read the whole lot first.

[Stiritup420]

Looks like  chlorosis.. Lack of chlorophyll.. in coco usually because the PH is above 7.0 

 

Its a lockout iron deficiency and when i had it last year i noticed it was light sensitive too.. Back the light off and flush like crazy