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This story originally appeared at American Web Media by Robert Winthrop.

Some people just have too much time on their hands, but once in a while, someone’s crazy idea takes off in a big way. If you’ve ever experienced a bath bomb, you know how lovely and relaxing it can be to drop one into the tub and watch it fizz and melt away into the water. There’s a literal rainbow of colors and scents, some varieties even have glitter.

Someone took the bath bomb idea to new levels, wondering what would happen if you produced one on a much bigger scale, then dropped it into a backyard pool.

Bath bombs contain baking soda, citric acid, and cornstarch, as well as essential oils and dyes. According to the website Liftable, “once you’ve assembled the ingredients, you mix one part cornstarch, one part citric acid, and two parts baking soda. After carefully mixing in the liquids a little at a time,” the mixture is put into a mold and set to dry.

That’s for your typical bathtub sized bath bomb, mind you.

YouTube’s Vat19 posted video footage of their mega-sized bath bomb, which involved 50-pound bags of ingredients and a jumbo fiberglass mold. They worked to mix batches of the ingredients, stuffing them into the mold and then letting it dry until they had assembled the most epic creation a 2,000-pound bath bomb!

Once it was ready, they rolled it into the pool to see what would happen and it was beyond cool. First, the color of the pool changed and then, the fizzing set in as the giant bath bomb dissolved.

Among those who commented on YouTube were plenty of people who weren’t all that impressed. One commenter noted: “I have seen the video, but the bath bomb just seems like a waste of time. According to this video it takes a few days to even make the bath bomb. When the water turns black you also have to consider how long it is going to take to turn the water back to normal if you do not want to keep the water black especially in a large swimming pool.”

Others wondered how much damage their giant creation did, with one person noting: “They need to get more views so they can cover the cost of fixing their pool for all that crap the put in it… you drain you tube and that crap goes down the drain… good luck vacuuming that out and being able to balance your pool again. Hope that Gunite isn’t porous anymore or you’re gonna have fun with that black dye that you put in…not worth it!”

Others, however, defended their decision to make such a giant bath bomb, with one person writing: “Why are people giving this so much negativity? It doesn’t affect you. They’re just having fun. Also a lot of people find this entertaining. It’s their money not yours. It’s their pool not yours. Also you say this is a massive cleanup, but an online store company did this so I’m sure they have the funds to clean it up.”

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