Prodibio Bio Clean cleans algae from aquariums biologically and naturally by combining the power of Bio Digest and the revitalising effect of Bio Trace. The package contains ampoules of Bio Digest and Bio Trace. Bio Trace combined with Bio Digest revitalises the aquarium, restores vigour and health to both fresh and salt water. This results in clearer, healthier water, livelier fish and plants that flourish.Bio Digest is composed of selected nitrifying and nitrate/phosphate reducing bacterial strains. The heterotropic bacteria in Bio Digest biologically clean aquariums by digesting waste, each strain completing the work started by another. They thus purify, reduce nitrates and phosphates and prevent the growth of algae. As bacteria do not multiply at the same speed, to maintain optimal proportions it is recommended to use one ampoule of Bio Digest avery fortnight.Bio Trace is a concentrate of trace elements which speeds up biological activity. Trace elements are essential for every li