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Hello I have been trying to get an accurate Ph reading. I can get Chlorine readings OK but the colour of the water in the Ph section is always the same colour as the Chlorine sample. I have been adding the maximum amount of Soda Ash to get the correct amount in the pool but still get a yellow...

Hello I try to keep my Ph level at 7.5 but just lately when testing the solution in the Ph section of the test tube turns yellow instead of red. The water is clear, no hint of Algae, it looks fine but taste a little funny. The Chlorine level is good. I have added soda ash to the prescribed level...

Hello Should water being pumped into the sand filter from the pump get warm/hot the longer the pump is running? I have noticed after about 10 to 15 minutes of the pump running, the pipe running from the pump to the filter is getting hotter to touch, the pipe on the entry side also gets warm. I...

Hello Folks We are returning to the UK for 3 months from the high heat of a Thai hot season. Last time we did this trip we returned to a large Algae problem that took a long time to fix. Does anyone have some tips on how to maintain the water quality while we are way. I cover the pool with a...

Hello I have been testing overnight for any loss of Chlorine. Yesterday lunchtime I added Bleach to the recommended level as shown in the Pool Calculator and tested just before dark, the sun had gone down, the test showed the target level of 12ppm had been reached. This morning at daybreak I...

Hello Last year we went for a long break back to the UK leaving precise instructions on how to keep the pool and water clean. When we arrived back the water was clean and all looked good until I turned on the circulation pump/filter. I soon realised that the person who was cleaning the pool had...

Hello I recently had to change the multiport valve assembly that sits on top of the sand filter, I also had to change the water direction valves, the produced a lot of air in the system that meant bleeding the pump to get rid of the air. My sand filter is a Micron S750 High Rate. I have 4...

Hello I recently added soda ash to my pool and the water has turned cloudy I can just about see the top entry step. I have carried out a full water test this morning and recorded the following results: - FC - 10 CC - 0 TC - 10 pH - 7.5 T/A - 50 CH - 600+ I stopped adding drops at 60...

Hello Everyone I live in NE Thailand where it is extrememly hot just now, temperatures around 35 to 40 celsius. AS you can imagine the water in my pool is warm and not too refreshing. I have noted many comments from members about pool heaters, I need the opposite! Does anyone have any...

Hello Everyone I have a problem with excessive air in the filtration system that is causing problems when trying to vacuum the bottom of the pool. It can take up to 20 minutes for the air to be syphoned off through surface bubbles before the vacuum works efficiently. I have a sand filter and...

Hello I have an S750 Sand filter and not a clue who makes it, nothing printed on it accept for the spec., and nothing in the maintenance leaflet. I would like to know if, or when, the sand needs changing as I have a small problem that I cannot understand. I hoover the pool approximately every...

Hello I have a tiled pool. The grout in the joints between the tiles has started to turn black in places, I am assuming this is some kind of Algae. If this assumption is correct what can I treat with. I have been advised by a pool store that they can sell me a solution that will clear this...

Good Morning from Thailand. I have received really good advice on how to test and balance the pool water that comes from the town main water supply. I have a problem with high CYA levels and have been advised the remedy is to partially empty the pool and refill. That is not a problem, but water...

Hello Folks Test results: - FC 16 CC 0 TC 16 pH 7.2 T/A 210 CH 350 CYA 100 or more! I have a 78000 liter pool, In ground, Tiled, Sand Filter,2kw Pump I need to lower the CYA levels and have at last been able to buy Hydrochloric Acid as advised, how many liters should I use...

Hello, I am new to this forum and new to pool maintenance, I am amazed at the volume of material that is available to help me but am not clever enough to sift out what I need to know. I live in Thailand and have an inground pool, it is approximately 12 meters long, kidney shaped with an average...