I've been making a version of this for several years now. I've added infused oil (usually a mix of olive and coconut) with essential oils and also used the mash left over from making the infused oil. If you use the mash, you will need a muslim bag to put the salts in so that the cannabis 'debris' doesn't get all over you and the tub. Just hang it on the spout and let the water run through it into the bath. Be warned; this makes for a very slippery tub and bather. It's fabulous for aches and pains or just relaxing. Can also be used as a foot bath... or for whatever needs a good soak. My husband was my first guinea pig for this stuff (and how I know you need a muslim bag for it if you use the mash). He doesn't take baths. Too antsy. So we run the bath and he gets in. I go and do some other housework for a little bit figuring he'll be out in no more than 10 minutes being as antsy as he is. Ten minutes go by... 15.... now it's 20 minutes later and I'm starting to worry. Half hour goes by and I check on him. He's laying back with this shit eating grin on his face saying he's really relaxed but.... and he holds up his hand... "You've got to do something about this green shit." There was pulverized herb stuck in his cuticles and.... everywhere else. Lmao he needed a shower after. And the tub was a mess. Another tip; clean the tub right away while it's still warm. Especially if you use coconut oil because it sets up. Scrubbing Bubbles works just fine and is quite easy. If you get it right away. Marijuana Bath Salts: Easy DIY How-To Instructions for Cannabis in the Tub If you know how to infuse oil for cooking with cannabis (click here for directions if you don’t), you have the skills (and the product) you need to make delightful medicated marijuana bath salts! This citrus scented recipe is both invigorating, due to it’s lemony scent, and relaxing, due to marijuana infused epsom salts. Pour a cup or so into the tub and enjoy! These also make a fabulous homemade gift. A Money Saving Infused Topicals Tip When infusing oil for making cannabis topicals, you can use the same material you would use for edibles — bud and/or or trimmings. You can also save some bucks by using your leftover already vaped weed AKA duff. Sure a lot of the cannabinoids are gone, but there are still lots left. If making an oil infusion from the toasty vape leftovers, use about twice the amount of cannabis you would normally use when making canna-oil, otherwise the process is the same. Some people like to cook with this oil too. I find it gives me a headache, so I don’t usually bother, but it is great for using when making topicals like these marijuana bath salts. Ingredients for making Marijuana Bath Salts How To Make Marijuana Bath Salts Gather you materials. You will need: Epsom salts; an orange and a lemon; cannabis infused olive oil or coconut oit; essential oils: any combination of lemon, orange, lime, and/or bergamot. Zest the citrus. Use a fine grater or microplaner to remove the zest from the orange and lemon. The zest is just the outer part of the fruit where the color and essential oils are. Adding zest to our marijuana bath salts will give them color and a little additional scent. Stop grating just short of the inner white pith. Combine ingredients. In a large bowl, combine 4 cups of epsom salts, the zest from the orange and lemon, 1/4 cup cannabis infused oil, and about 20 drops of essential oil. Put on rubber gloves and use your hands to mix well until all ingredients are well combined. Package it. Store your bath salts in glass jars. Add about 3/4 to 1 cup per bath and enjoy!