Only when Jupiter aligns with Saturn during the harvest moon on a Tuesday after the goat walks counter clockwise around the rooster with the comb that flips to the left.
Then, and only then, can you buy your reactor.
The rest of the consumables and solvents we are trying to figure out but have to wait for the tear in the time space continuum to reach 200 cm and the light of Odin shines on the flux capacitor (not the fake Hollywood one but the real one from Back To The Future… still can’t believe that movie was a real life documentary) which will trigger a monarch butterfly on the motel with the pink flamingo statue off of I96 in Michigan to flap its wings during a southeastern breeze as the cat in Mr Goodwins backyard meows after 7pm just as the sun crests the western sky.
Or….
Could just read this 
Edit: wasn’t trying to be a dick. Seen the opportunity and just went for it 