tomato seedlings fall over

Question

After planting tomato seeds, they grow about 1 inch high and fell over. I use seed starting soil and water from bottom. What could be wrong?

Answer 1

This could be from low light or issues with damping off (from too much moisture). These articles should help: https://www.gardeningknowhow.com/garden-how-to/seeds/leggy-seedling.htm
https://www.gardeningknowhow.com/garden-how-to/seeds/what-is-damping-off.htm