Watering Flood and Drain Tables with Coco Smartpots?

I am running Golden Eye Coco with Perlite.

This is my first time running Coco let along a flood table. Im using coco in 3gallon pots. How many times a day should I water?

I have it configured to flood 2x a day for 15 minutes. Wish I went gordon to hydroton

Stats ppm 467 ph 5.5

How deep is your tray?

5.5 i flood except to last inch not all the way over the coco. Im sure its all saturated. I just thought i would be doing 3-4 times a day