Please explain why or why not to use ozone for my central filtration system. U.V sterilizer will help?

UV is used germicidally to reduce the numbers of pathogens (but no guaranteed cure, mind you). It is simple and safe but requires very regular maintenance to be effective... needs prefiltered and clear water clarity from chemical filtration regularly), bulbs need to be changed every 6 months (they are dear in price) and the reaction chamber needs to be cleaned/flushed at least monthly. Ozone on the other hand has numerous benefits: germicidal, adjustable, imparts oxygen to water, improves clarity (clears discolorants to reveal icy blue water, improve Redox potential of the water (indirectly inhibiting algae) and more.

However, it can be overdosed if not controlled. Must be used with a controller or at least watched with a Redox meter. Effluent water must be passed over carbon changed regularly.

With extreme misuse can be a slight to moderate health hazard to people. If you are moving fish in and out frequently, or if your system has a heavy bio-load, I'd suggest an electronic (not ... more.

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