Growing in coco help

Should i be watering everyday or when it dry?

I water twice a day In coco once they are in veg. Pick up your container when the pot is fully watered, remember how it feels fully saturated. Next day pick up the said pot and determine how much she is drinking. Adjust your watering towards how your plant is drinking. There's no definitive answer, just don't let your coco run dry, coco likes light but more frequent feedings.

About 50% of wet weight is what Canna suggests (found it somewhere here).

Water, drain well, weigh pot (if you need). Wait until it's half the weight until you water again. This is the bare minimum you can water coco.

IME, continuing this while watering as much as possible is the key to explosive growth in coco. This means much smaller pots for 6-8 feeds per day. Growth is similar to more traditional hydro running coco this way too. Tricky when it's not automated though...

Never let your coco dry. My rule of thumb for the minimum time for waterings is wait until the top layer of coco dries out i.e. 12 hours. You would then water at minimum every 10 hours. These times will vary depending on plant size, pot size, temperature and humidity. It's extremely hard to over water in coco (unless they're very small).
Normally I'llwater my babies in solo cups once a day til tthey're about 8". Then into a gal pot and water 2-3 times a day until they're about 18". Then they go into 3 gal pots and get watered every 4-6 hours.

I water every two or three days in 5g pots with 75% coco, 25% perlite. They key is the weight of the pot, IMO.