That was sound based advice. When you “water toward the center”, you build a wet mud hole at the base of your roots. A very unhealthy practice. Watering in the root zone, the outer edges of your container allows for healthy root growth. Holding your root ball constantly wet in a soil grow sets you up for many disappointments. Root rot and the drowning of your lady.There are better ways to water them and based on the picture's, your vpd is also not on point.