Seedling leaves slightly going yellow

What PH wud u feed them then soil as to be between 6-7. And bag of soil says ph is 6.2 due to the lime added I will try cal mag tho seems I dink ur write about the two plants showing magnesium deficient around the edge of the leafs.

hey there, looks like pH fluctuations due to the multiple symptoms as well as some magnesium issue. What i think happened is that you are using "potting soil" which is actually not soil, it's peat which is a soiless medium , meaning you need to add cal mag, something like enzymes or humic acid and the NPK. so you can see the magnesium deficiency from the serrated edges being yellowing. the yellowing between the veins in the middle of the leafs could be from pH fluctuations... usually the peat moss will be around 5.5 pH so if you give 6.5 water it will make fluctuations. Using humic acid will basically fix this . Hope this helps ! 🚀

Cheers I shall move the light a bit closer now.. also when using bat mix do you think nutrients in veg stage is needed. I have his been adding bloom and boost when I het to flower normally. This ok?

I deff think its the lack of light more than anything else with how stretched they are. You should have plenty of nitrogen and cal/mag in that soil. I dont see anything that remotely look like a cal deficency(browning spots all over the leaves closest to the light) or a mag deficiency(yellowing of the leaves between the veins, but the veins stay a darker green) Im guessing the plants just arent processing nitrogen like they should due to the lack of light. New growth generally looks lighter like your planta do because it hasnt been exposed to light long enough for the darker green pigment to develop from the processing of nitrogen.

I think Souljasam is correct about the cfl and the yellowing because you put little plant in bat mix so there should be more than enough nutrients in your soil..mostly bat mix is used when you repot your plant when they have a bigger root system so they can actually take advantage of the rich soil ✌️Happy growing and stay safe 🌱

This is a little tent mate jus for seedlings. Got plenty of lights when they get moved on. As the tent is small it's got no extraction fan and the temp is 29 this is reason why I havent bort the light closer. I can do but the temps will go up. See was finking calmag but there shud be both calmag an nitrogen already in the soil.so confused. Have got some bio bizz calmag so cud try that. But my tap water is 0.5 ec so that shudbhave some calmag in shudnt it.

Looks like they are a little nitrogen hungry. Its may also be due to the low level of light that cfl is giving the plants by being 15in away. Your really should move it much closer because cfls dont throw their light very far before the intensity greatly drops off. Most people run cfls around 6 inches from their plants for optimal growth. You can tell they arent getting enough light because they are so tall with such thin stems. Also are you plannin on growing all those indoors? If so you will need much much more light as the grow continues.

Hey bro I would add a little Cal / Mag and see if the problem resolves :-) have fun growing buddy 👍