need help

[clowncrazy]

Hi I just bought what was sapost to be 25g salt tank set up hmm nope I just know that's not what it is It has some very very sick looking live rock in the tank with long green stuff on it the pump looks like some thing you get at walmart for fresh water fish and I'm not sure what is at the bottom of the tank it's not sand so what I was hopeing is if anyone has some stuff they don't need I will pay to help me get this thing up and going and what do I do with this live rock I'm scared to touch it it looks that bad thanks
looking for
Live sand
Live Rock
pump