Big tub?  Look elsewhere
I have a garden, soaking, tub that is larger than a standard tub.  I have yet to find a bigger bath bomb that works best in a bigger tub (copyright me 2019).  Based on size I hoped this would be it.  Nope.  First photo is is immediately after bomb melted.  Second, is the weird sludge left behind (though it did rinse clean when I wiped tub down) after tub was drained.  The final photo is of the “crystal “ that came with it, US dime for size comparison.  Crystal did not coordinate with bomb color which I had expected.  The aroma was nice, but again with a bigger tub became more of a wishful experience.  Delivery was SUPER quick, got here a week earlier than promised.  I am unlikely to buy this particular bomb again (cost vs enjoyment) but I am willing to try another offering from this company.
Rating: 4 stars