WaterNet Online

I have a spa ghat is about 1300 gallons. The toal chlorine is between 5 and 10 and the rest of the stats are within range. It get a lot of use. The free chlorine is very low .3 to not there . I have treated it numerous times with a cholreine free oxidizer but it doesnt seem to be helping. I was using 3in chlorien tablets but switched to teh dissolvable chlorine. It raise the total chlorine but not the free. When I do add the chlorine the spa becomes cloudy and then a white filmy stuff appears on top of the most of teh water and then taken away by the filter.

Any ideas and help would be apprecitated. Thanks

When was the last time you replaced the water? How often do you use it (hours/day)? I have a 500 gal indoor spa which gets used about 5-8 hour/week and need to change the water every 2-3 months. At some point its cheaper to replace the water and reheat rather than throwing chemicals at it.

Mike

you said when you add chlorine,the spa becomes cloudy and then white substance appears? its possible cause would be improper water balance,try to determine saturation index and adjust the pool accordingly. if you think theres not enough chlorine,if you test it,the result would closely be no residual chlorine level,if its that so,try to shock your pool,or it may be possible that what your using lost its strength,try replacing your chlorine(more common with liquid chlorine)