I've been using bottled water for my tank from the start as we already had a water service in place. started using Aqua Source water from Canmore and was very happy with it TDS was consistently 0, no phosphates or other contaminates. Cancelled our service with them at the end of the summer, and started using Sobey's (Arrowsmith) water as it was very conveinent to pick up when shopping. Tested it for TDS and it was at 4, not the best but it worked. tested the same water about a month ago and lo and behold TDS was at 120+, which I guess explains all the hair algea. Have since used Polaris (Superstore) TDS of 4 and water from The Water Store TDS of 4-6. so I guess it pays to shop around and test it.
Colin
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