[Small flat worms on glass]

My blue crayfish molted and after small flatworms appeared on glass, what are they and how do you get rid of them

[new planted tank]

thanks, guess i will continue water changes and wait and see

 

[new planted tank]

hi, new planted tank, used aqueon shrimp and plant substrate, hardish water( gh, 60)( kh 40)( ph 7.5)( nitrite 0)(, nitrate 15), readings off test strip chart,(api 5 in 1) ammonia level still at about 3.0 any idea how long i should wait for ammonia levels to go down? the planted substrate says will go up but i have done 3- 20% water changes and going down slowly, using co ops sponge filter, medium size in tank