That article promotes the use of medication and states that heat alone will not always work. It also assumes the water is not being oxygenated. So probably similar to some people turning off their airstone (which i dont use) for a reason only they can explain.
What i said is that a rise...
No maintain temperature for several days then lower temperature a degree every few hours. If you lower temperature now you run the risk of the ich not clearing out. Medicine is the best in the case of ich, however the temperature change is not just due to ichs temperature sensitivity. More...
Drain the tank, use a toothbrush to scrub the algae off all components. Refill. If you dont have fish in there then thats the simplest quickest way. If you do have fish then just put them in a spare tank or bucket and do a 100% water change as well as the aforementioned scrub.
Yes 80% Isopropyl and 20% di. Granted the stuff you can buy at the store isnt a huge worry as far as flash point goes. The stuff we use for nuclear components has to be cut with di to keep it from being excessively flammable. It really cuts into any residue including tape glue.
As far as the shrimp go, you are months away from even worrying about adding shrimp. Basically they need alot of turds to be in the tank first. For cleaning, mix an 80/20 isopropyl to di water and spray down the inside and outside of the tank. Use a scotchbrite pad where needed and a razor...
Get some tygon tubing feom the hardware store, cut a 12" section then connect that to the suction of the powerhead, connect the other tygon to the discharge and route that outside or the toilet or tub.
Are you using the clear ones? Those are usually a flexible plastic and they lose their elasticity after being submerged for awhile. The black rubber ones work much better. If you can get the silicone ones thats even better.