I recommend that you place the seller 32 for me. thank you I wish prosperity to the store and.

As long as the stones are charge by sunlight they work fine. Without light they do not work.

Glow dim (they are on the right) but in the aquarium look beautiful. Took 30 PCs

They work super well, I just don't know yet how long the glow lasts at night

Of course not as bright as in the photo, dim. But the main glow in the dark