Troubleshooting Guide 13
Contents
1. Calcium carbonate deposits scale on pool surfaces have an unattractive rough feel If scale is present in the pool circulation system it can cause a reduction in flow and heater efficiency Unbalanced water Unbalanced water can be due to high pH and or high total alkalinity These conditions will create a scale forming tendency High total alkalinity in particular will make it difficult to adjust the pH and can also be a source of carbonates Under certain conditions these will deposit on pool surfaces and in the circulation system as calcium carbonate scale For further information on high pH and high alkalinity please refer to the relevant Troubleshooting Guides It is essential that the pool water is tested on a regular w re basis and the recommended key parameters a maintained For pH this is 7 2 7 6 and total alkalinity is 80 150mg ppm It is also advisable to regularly check both the pH and total alkalinity of the mains make up water when either refilling the pool or adding a substantial quantity of fresh water Prompt action may then be taken to make the necessary corrections in order to prevent the pool water going out of balance Troubleshooting Guide 13 SCALE What you may need Fi Clor pH amp Alkalinity Reducer 7kg To lower high alkalinity and high pH Fi Clor Stain amp Scale Remover 1Ltr To remove calcium carbonate scale e Effective on all types of pool su2. ortant here To have the desired effect of reducing the total alkalinity rather than the pH the acid must be poured into a small area of the pool and not widely dispersed The aim is to create localised conditions of low pH such that the acidity will react with the bicarbonates which make up the bulk of the total alkalinity at normal swimming pool pH values Fi Clor is a registered trademark of Arch Chemicals Ltd a Lonza company Before adding any chemicals to your pool ensure nobody is swimming Keep the circulation running to ensure adequate dispersion of the chemicals To lower the pH e To lower the pH dose Fi Clor pH amp Alkalinity Reducer at a rate of 500g per 50m 11 000 gallons With the circulation running distribute around the pool avoiding the skimmers Do not dose it in one spot otherwise some alkalinity may be destroyed e Re test the water after 24 hours and if the pH is still high repeat the dose To remove scale e Scale on the swimming pool surrounds and surfaces above the water line may be removed with Fi Clor Stain amp Scale Remover e Fi Clor Stain amp Scale Remover may be used neat or diluted at a rate of 1 litre to 30 litres of water depending on the severity of the stain to be removed e Follow the pack label instructions carefully PRECAUTIONS Wear gloves and protective eyewear when using Fi Clor Stain amp Scale Remover The product contains a mixture of acids and is corrosive
3. rface tile vinyl e No unpleasant odour during application e Excellent detergent and cleaning properties e Not harmful to the STAIN AND SCALE Hi Glor Fi Clor Stain amp Scale Inhibitor 2kg Minimises staining and scale e Keeps minerals in soluble form e Phosphate free Helps minimise risk of algae environmental benefits e Non foaming e Non toxic when diluted environment e Long shelf life Action to be taken To lower the total alkalinity e f pH and total alkalinity both need correction treat the total alkalinity first e Carry out a total alkalinity test and if the reading is above 150m g l ppm the level will need to be lowered If you are unable to test for total alkalinity take a fresh sample of pool water to your approved Fi Clor dealer who will carry out the test and advise on any necessary treatment e To lower the total alkalinity dose Fi Clor pH amp Alkalinity Reducer at a rate of 1kg per 50m 11 000 gallons This dose is designed to reduce the total alkalinity by approximately 10 20mg I and should be repeated as necessary on a daily basis until the total alkalinity is below 150mq I ppm With the circulation running pour in a small area at the deep end of the pool avoiding the skimmers e Re test the water after 24 hours and if the total alkalinity is still high repeat the dose varying the location slightly but avoiding the skimmers e Please note that the acid dosing technique is imp
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