First Build A Soil Run 10 Gal

I just started my own LSO grow after binge watching BuildASoil's 10x10 season one. This diary is very helpful to see, so thank you for sharing. I can't access any of their products in my location so doing my best to recreate with local ingredients. I was looking at your early veg weeks and saw you said you may have over watered. How often would you recommend I water my seeds? They are currently in solo cups and yet to pop?