The Resin Products Pond Reactor is a unique inline chemical filter developed for use in professional and commercial koi pond filtration systems. The Pond Reactor is "ready to plumb and play" and comes supplied with 6 Ammonia Block Pods to help keep your pond safe and fish healthy. The renowned premium grade Resin Products Ammonia Pods contain unique premium-grade ammonia removal media unique to RP Aquatics which removes toxic ammonia and ammonium quicker than any other product on the market. Designed as a post-filter, the Pond Reactor should be installed as the last form of filtration before the water returns to the pond. The RP Reactor is particularly suited to ponds with large stocks or commercial systems where stock levels can vary dramatically. The Pond Reactor allows you to safe start your new pond, safe in the knowledge that it will prevent and remove any unwanted ammonia spikes. Alternatively it can also provide peace of mind whilst you're away on holiday. Pond Reactor - Ammonia Remover Pod Contents: 1 x RP Pond Reactor 6 x RP Ammonia Block Pods 7 x Separation Sponges 2 x Brackets Installation: Install after biological filtration Must be installed vertically for optimum performance Water can flow up or down to suit installation requirements Recommended to be installed on a bypass system with valves to isolate unit and manage flow rate Flexible boot connectors (50-63mm) are recommend for installation Tips: Separation sponges can be used alone for water polishing Ideal for new set-ups - Safe start your new pond Quickly removes harmful ammonia spikes Prevents ammonia spikes at the start of the season Provides peace of mind whilst on holiday Can be used for up to 12 weeks - Load dependant Change ammonia pods after 12 weeks Other RP Aquatics pods (nitrate, phosphate, carbon) also fit inside the reactor Maximum flow rate: 15,000lph (slower is more effective) Suitable for fresh and saltwater Recommended for water volumes up to 60,000 litres Regular water testing is recommended Highly recommended for Koi ponds