Spa Water Treatment Cycle Time

[GeorgeMfg]

Hi,

I'm designing a ice bath water filtration system and need some advice on length of filtration cycles. Here is some background:

- Filtration system consists of a pump, filter, and venturi injector for ozone.
- System Q = 4000 l/hr.
- Ice bath holds 500 liters of water.
- Water is between 32F and 50F depending on the set temp.

Most ice baths run their pumps 24/7. If I run this 24/7 I would be cycling the water 8 times per hour, or 192 times per day.

I found some guidance that pools should cycle all of their water at least once per day, and spas around 8x per day. My thought is that an ice bath is somewhere in between the two, since it is a small volume of water BUT it is cold, so bacteria growth will be slower.

Is there any benefit to filtering 24/7? I would prefer not to in order to preserve pump longevity, but having the best possible filtration is my #1 priority. One of my concerns is still water promoting bacteria growth. Any advice?

Many thanks for your replies in advance.

 

[1503-44]

Kind of depends on if you can tolerate lots of slow growing bacteria, or you just want the minimize amount of it.

--Einstein gave the same test to students every year. When asked why he would do something like that, "Because the answers had changed."

 

[bimr]

There is little benefit to filtering with large turnover rates. Get yourself a clock timer and whether operate at a low constant turnover rate or a slightly higher turnover rate when you are using it.