Week 6 flower slow water uptake

[Gizmo87]

I have 6 plants on 20 litre smart pots in coco/perlite mix

Night Temps 25c/29c , Day Temps 18c/20c

I usually water every 2 days (pots are usually light)

the last week or so its taking longer for my wet/dry cycle its been 4 days now and pots are still quite heavy

plants look perfect and filling out nicely no symptoms off lockout, but I'm getting concerned I have salt build up in the coco preventing the plant from sucking up the water, I have just cleaned out my tank as it had shit load of salt in bottom.

I have never just given them plain water ( a mini flush )

any suggestions its really got my head batted ,

thanks in advance

[MrEnigma]

If they are growing fine then dont worry , My plants are always changing how much they drink in coco . I Feed mine every day , most days 2ltr is fine for 10% run off in 20ltr pots , But some days 3 is needed , Some days 1 is needed , It all depends on what cycle the plants in , RH , Temps , Air flow ect All of them make a difference ,

[Gizmo87]

thanks just abit worried

[Benson123]

thanks just abit worried

Are you saying your temps are higher when the lights are off?

[the jakal]

you shouldnt have to worry about salt build up unless you veg for a very long time and over do the nutes,
as long as your ph is right your plants will take up all the correct balance of nutrients it needs, some days they will drink more than other days