Where can I buy Marizyme? (in Canada or online)

The problem with washing your tent in a washing machine (especially in a oscillating machine) is it could do some serious damage to the tent due to the soaps and violent cycles (a washing machine doesn't know when to quit:)). I know you mentioned your friend used a front loading machine, which is much better, but there could still be risks damaging the materials and construction. NEVER put it in the dryer! There are many different ways of cleaning your tent. One way is hosing it down (or hand washing it outside), finding the dirt marks that won't wash off, and, using a nylon brush, lightly scrub them away. If you have traces of mildew or a particularly smelly tent, soaking it in a solution of Marizyme (a product that uses active enzymes to eat away mildew) is your best option. The thing that fails the most on tents are the zippers and the Hubba Hubba is not immune to this. If you've been in a sandy or windy environment with lots of dust in the air, maintaining the zippers is critical. My recommendation here is to clean the zipper with a mild soap and nylon brush and then lube them with a silicon (can find tubes of this in hardware stores). Silicone won't attract as much dirt as wax and is much less toxic to the plastic teeth than other types of lube. Silicon will create far less friction for the slider as you zip it up and down. Simply put, by hand washing using a soft nylon brush, soaking it down with mild detergent (dishwashing soap), Nikwax Tech Wash or similar soap, etc, and then maintaining the zippers as described above will help keep your tent clean and well maintained for many years to come. I know this is takes much more effort than using a washing machine, but you will have far more piece of mind and much less risk in damaging your investment.