My plants have been suffering

Please kindly help me figure out what’s the problem my plants are suffering from and the possible solution

Gonna need some info on the grow.

Media
Feed type, frequency, and ppm/ec
Lights
Temps
Humidity
And anything else that may be of help

Also, how much and how often do you water?

Much more info about your grow is required........especially the medium.

TCH said:

Gonna need some info on the grow.

Media
Feed type, frequency, and ppm/ec
Lights
Temps
Humidity
And anything else that may be of help

Click to expand...

Coco mix with perlite
I feed them with Complete crop(20g),Myco(4g) and Athena calmag (10ml) all in 20Litres of water from my Airconditioner.PPM is 500 and Ph 5.8-6.0.
I feed each plant with 500ml of the nutrient solution every two days but some times change for some plants based on how they suck up the water. Room temps is Around 24degrees Celsius.Hudity is 64.I give them 18hrs light with 6hrs off

Do you always feed to substantial run off?

MickFoster said:

Do you always feed to substantial run off?

Click to expand...

No

Starting out, I'd feed to runoff and do it once per day. Coco should stay wet and should always be fed until runoff.

Eta: if you allow it to dry back, you will find that you will get buildup in the coco and start causing burns.

NobleKingSolomon said:

No

Click to expand...

You probably have severe salt build up.
Coco should be fed daily to substantial run off to avoid salt build up.
I suggest you run a weak nutrient solution through them..........a couple of gallons each.........never plain water.

T

TCH said:

Starting out, I'd feed to runoff and do it once per day. Coco should stay wet and should always be fed until runoff.

Eta: if you allow it to dry back, you will find that you will get buildup in the coco and start causing burns.

Click to expand...

Thank you

MickFoster said:

You probably have severe salt build up.
Coco should be fed daily to substantial run off to avoid salt build up.
I suggest you run a weak nutrient solution through them..........a couple of gallons each.........never plain water.

Click to expand...

Thank you

do what @MickFoster says for sure. and maybe dim your lights abit while they recover.