I have a big cauldron-type pot, I think it's called a dutch oven- holds like 2 gallons. I fill it up maybe halfway with water, put it on a burner at high heat, and bring to a rolling boil. then I drop in (carefully) whatever I'm sanitizing, rocks, water bowls, etc, and make sure there is enough water to cover them. Keep it going, at a steady boil for at least 20 minutes, adding water hot water a little at a time as needed to keep the stuff underwater. Then you turn the heat off, let it cool, drain, and you're done. For soaking, use a clean bucket or whatever you've got that's big enough, fill with water, drop your rocks in, and soak I'd say overnight. Drain the water, rinse the rocks, and repeat several times. If your fake rocks are plastic, you may want to opt for soaking, esp. since they've already been bleached. You do not want to melt the plastic to the bottom of your pot while boiling!

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1.0 Hypo stripe, Het RW from JL (BJ)
1.0 HypoTang from Crested (Apricot)
1.0 Tremper Albino from Petsmart (Cloud)
0.1 Hi-Yellow Leopard gecko from Petco (Beatrice)
0.1 Stripe female (rehabilitated rescue)(Pepper)
0.1 Jungle het RW hatched by me! (Jungle Bunny)
0.1 SHCT Leopard Gecko from Petco (Brite)
0.1 Tangy Mutt Leopard Gecko from Petco (Rainbow)
0.1 RW Stripe hatched by me! (unnamed yet)
0.1 Leucistic rescue (Lucy?)
0.1 Tremper stripe from JMG (Delta)
0.1 SHCT hatched by me! (Blinky)
0.0.1 SHCTB hatched by me! (Sunny II)
0.1 Ball Pythons
1.0 Brazilian Rainbow Boa
Hatched: ~50 leos