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Hi Steve,

Thank you for your response. It's useful to get some lessons learnt. Spare parts chains and complexity of O&M are my biggest concerns with this product.

I've since found out that the makers of Aquatabs have now developed two products to install onto the inlet to a tank or in-line, called the Aqua Flo and and Aqua Inline which are much cheaper than the Dosatron or similar devices, but still seem to provide a constant FRC in the water at the point of collection. I don't suppose you have any experience in these as well?

Regards, Martin