Aquarium & Terrarium Gravel & Substrate HYDOR

Hydor Zeolite is a high quality natural adsorbent material suitable for freshwater and marine aquariums. Zeolite ensures crystal clear water by putting different filtering modes into action. Thanks to mechanical filtration, it retains pollutants such as food and faeces. Ammonia is removed quickly via ion exchange, making it ideal for the early start-up stages of freshwater aquariums. Zeolite is also excellent as a biological substrate to promote the proliferation of aerobic and anaerobic bacteria and reduce ammonia content. It also helps remove dyes and odorants, as well as microalgae and drug residues. It does not release substances harmful to the life of fish, phosphates or heavy metals. Supplied …

Macroporous structure sintered quartz rings for marine and freshwater aquariums, ideal as a biological substrate to promote the development of beneficial bacteria without altering the pH of the aquarium. They do not release harmful substances for the life of fish, phosphates or heavy metals. Supplied in 450 g packs, they allow a great versatility of use inside the special compartments of the external and internal filters..

High quality Hydor activated carbon suitable for freshwater aquariums with adsorbing action, low ash content, useful for ensuring crystal clear water without altering the pH. Filters impurities, contains bad smells, removes pollutants and dyes from the aquarium, microalgae and medicinal residues. It does not release substances harmful to the life of fish, phosphates or heavy metals. Supplied in 3 handy bags of 100 g each for great versatility of use..