Bill Morse Posted January 1, 2021 Report Share Posted January 1, 2021 I have a Marquis Hollywood 350 gallon hot tub. 2 1/2 years old. The ozonator has quit working. It's a bolboa ozone 3. Which as I understand they don't make anymore. From reading on your forum the ozonator has to be match to the injector tube which is blue. Any recommendations on what size or model I should purchase. There is many different models for different size hot tubs. Thanks Bill Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted January 1, 2021 Report Share Posted January 1, 2021 Your original was a UV bulb type with 30mg/hr output. This output is what you need to match, or at least be close to. 1 Quote Link to comment Share on other sites More sharing options...
Bill Morse Posted January 1, 2021 Author Report Share Posted January 1, 2021 My ozonator is a C/D. Balboa model #tcb94 part #54451. It came with the hot tub. Quote Link to comment Share on other sites More sharing options...
Bill Morse Posted January 1, 2021 Author Report Share Posted January 1, 2021 Not sure what the output is. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted January 2, 2021 Report Share Posted January 2, 2021 Huh. When I googled the balboa ozone 3 (O3zone) it brought up a uv ozonator. CD ozonators are usually higher output, so if you already have one your injection system should be fine for another one. 1 Quote Link to comment Share on other sites More sharing options...
Edwardscizzorhands Posted January 2, 2021 Report Share Posted January 2, 2021 New question. I’m about a year into my hot tub chemistry experience. Most of the time when trying to bring up my calcium levels I’m getting excess grit in the bottom. Seems like I add too much but the test strips still say it’s low. I’ve switched brands of test strips. Used liquid calcium, the granular stuff too. Seems like the only time my calcium is close to right, I’m on my way to plugging the filter. The other chemicals seem to be in spec. Any ideas of what’s going on here? Thanks! Quote Link to comment Share on other sites More sharing options...
Bill Morse Posted January 3, 2021 Author Report Share Posted January 3, 2021 I'm going to have to contact the manufacturer Marquis. I was thinking it's CD. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted January 3, 2021 Report Share Posted January 3, 2021 Calcium is the least if your concerns unless you have a plaster spa. If your ph is high calcium comes out of solution, forming sandy grit and scale. Test strips are unreliable, get a good kit. Quote Link to comment Share on other sites More sharing options...
Bill Morse Posted January 3, 2021 Author Report Share Posted January 3, 2021 4 hours ago, RDspaguy said: Huh. When I googled the balboa ozone 3 (O3zone) it brought up a uv ozonator. CD ozonators are usually higher output, so if you already have one your injection system should be fine for another one. It is deffinately a CD ozonator. It's has been discontinued. They recommend the 59087-KIT. Is that what you would recommend.?? Thanks for your help. Bill Morse Quote Link to comment Share on other sites More sharing options...
Edwardscizzorhands Posted January 3, 2021 Report Share Posted January 3, 2021 RDspaguy, thanks for the note. I have a digital ph meter. Says I’m at 7.59. It’s it not a plaster hot tub. Fiberglass or whatever they use now. Everything I see says calcium has to be up. Maybe I’m just overthinking it. I’ll look for a better testing process. Thanks! Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted January 3, 2021 Report Share Posted January 3, 2021 1 hour ago, Edwardscizzorhands said: RDspaguy, thanks for the note. I have a digital ph meter. Says I’m at 7.59. It’s it not a plaster hot tub. Fiberglass or whatever they use now. Everything I see says calcium has to be up. Maybe I’m just overthinking it. I’ll look for a better testing process. Thanks! Start your own thread, but first read through some of the threads in the spa water chemistry section. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted January 3, 2021 Report Share Posted January 3, 2021 3 hours ago, Bill Morse said: It is deffinately a CD ozonator. It's has been discontinued. They recommend the 59087-KIT. Is that what you would recommend.?? Thanks for your help. Bill Morse I'm sure it will be fine. It should have the right cord and such for easy replacement. Quote Link to comment Share on other sites More sharing options...
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