Besides the basics that you need to check on when doing a water analysis the following items should also be monitored: TDS, Calcium, Copper and salt.
TDS (Total dissolved solids): These are the solids that cannot be chemically broken down, so there is nothing that you can add to your pool to fix this problem. A good range for total dissolved solids is below 1500ppm. If your TDS reading gets above this range your will pool will keep turning green no matter how hard you try to keep it clear. The only way you can fix this is to drain a portion of your swimming pool.
Calcium: This is very important for marble plaster swimming pools. The calcium range for most swimming pools is 200 to 275ppm. Calcium comes from certain types of chlorine, tap water, borehole water and calcium sachets you can add to your pool. If you have too much calcium you can land up getting a build up on your mosaic or calcium deposits building on your pool surface, your pool cleaner can also become brittle. If you have too little calcium in a marble plaster pool the water will pull the calcium from the surface causing the surface to crack or crumble. It is also very important to add calcium to a new marble plaster pool or to a pool that has recently been drained and refilled, this will help to strengthen the surface of your pool.
Copper: A high reading of copper is really not good for swimming pools and will eventually cause staining and damage to your pool surface, we do not recommend maintaining your pool with copper products.
Salt: this is only necessary for salt chlorinator swimming pools the salt reading should be kept between 4000 and 5000ppm. If the salt reading drops below 2500ppm this could damage the chlorinator.
TDS (Total dissolved solids): These are the solids that cannot be chemically broken down, so there is nothing that you can add to your pool to fix this problem. A good range for total dissolved solids is below 1500ppm. If your TDS reading gets above this range your will pool will keep turning green no matter how hard you try to keep it clear. The only way you can fix this is to drain a portion of your swimming pool.
Calcium: This is very important for marble plaster swimming pools. The calcium range for most swimming pools is 200 to 275ppm. Calcium comes from certain types of chlorine, tap water, borehole water and calcium sachets you can add to your pool. If you have too much calcium you can land up getting a build up on your mosaic or calcium deposits building on your pool surface, your pool cleaner can also become brittle. If you have too little calcium in a marble plaster pool the water will pull the calcium from the surface causing the surface to crack or crumble. It is also very important to add calcium to a new marble plaster pool or to a pool that has recently been drained and refilled, this will help to strengthen the surface of your pool.
Copper: A high reading of copper is really not good for swimming pools and will eventually cause staining and damage to your pool surface, we do not recommend maintaining your pool with copper products.
Salt: this is only necessary for salt chlorinator swimming pools the salt reading should be kept between 4000 and 5000ppm. If the salt reading drops below 2500ppm this could damage the chlorinator.
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