I'm having a similar problem and I just found this:
There is white stuff growing on my Grow Sponges (or plants).
Sometimes people notice a white fuzz developing on the surface of their Grow Sponges, especially when the plants are small. This may be a fungus that is decomposing any...
Just found something on the Aerogrow website:
There is white stuff growing on my Grow Sponges (or plants).
Sometimes people notice a white fuzz developing on the surface of their Grow Sponges, especially when the plants are small. This may be a fungus that is decomposing any seeds left behind...
This is my first post, so I'll use the guidelines I found.
2) Growing indoor or outdoors
Growing indoors w/ AeroGrow Deluxe
3) Watering schedule
17 hours on / 7 hours off
4) Growing Medium
Sponge like (I'll attach a picture)
5) What stage of growth
Late vegetative; just began inducing...