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I am in the UK and couldn’t get the LaMotte DPD powder so ordered the Taylor powder from America and it works fine with the LaMotte titrant.

Thanks for the reply. My test results are Ph 7.4 Alk 95 Br 6 ppm ( equivalent to 3ppm Chlorine I think) CH 160 The pool gets regularly used throughout the year so I do use quite a lot of the bromine tablets which sounds like it is not good for the pool. Thanks

Hi I have an indoor heated pool with brominator. I am continually having to add ph up. I assume the ph is dropping because of the bromine tablets. Would it be ok to add liquid chlorine routinely but leave the brominator running as well to ensure the sanitizer level never drops too low? Thanks

I have just fitted a variable speed drive to my filter pump. My problem is that I can only reduce the pump speed slightly before the heater flow switch operates. I was wondering whether the flow switch is necessary and what it's purpose is? My pool heater consists of an oil fired boiler pumping...

Hi Does anyone know if my Astral Victoria Plus 1.5hp pump can be controlled with one of the electronic variable speed drives? Thanks

We have just moved into a house with an indoor heated pool with liner. The liner is around 10 years old. The previous owner drained the pool and we have now refilled it. Initially everything seemed ok but when we were away on holiday I turned the heat off and during that time several large...

Thanks for the quick reply. I think perhaps before I get too agressive with my dosing it may be time to invest in some new scales. I am confident that my water testing is OK but possibly the accuracy of my weighing leaves something to be desired. Thanks again

Hi, When I do a water change my ph is always around 8.4 and TA 220 with a Calcium Hardness of 220. To bring my Ph and TA down I add dry acid then run pumps and air for 30-60mins and then test and repeat the process. On my recent refill I added the dry acid in the following quantities 200g ...

I am using the LaMotte test kit (I think it is called Pro pool 7) which uses the titration method for measurement. I have tried mesuring FC and CC but I have used MPS and I thought that confused the CC measurement. I think I have probably not been using enough chlorine after soaks because I...

Hi Thanks for the reply. I will try adding dichlor to raise CYA level and also shock to see if chlorine demand reduces. I don't have an ozonator so hopefully the combination of the above will solve my problem. The hot tub gets used by 3 or 4 people every night for around 40-50 minutes, so...

Hi, We have had our hot tub for about 2 months. I was using dichlor only until about 2 weeks ago I refilled and switched to using dichlor/bleach. The bleach I am using is 14% liquid chlorine. I used dichlor for a few days until I had added 22ppm CYA. My problem is if I take the FC level up to...