[Hot tub recommendations]

Bought a Jacuzzi. Called Soul now. Acrylic body. 

[Mineral sticks. Blue or yellow for bromine water]

There are offbrand mineral sticks that come in both yellow and blue. Can either one be used for bromine water?

[Mineral stick. Difference between blue and yellow]

Which mineral stick can be used with a bromine hot tub? There are offbrands on the market that are yellow and blue. Is there a difference?