19 parts water to 1 part bleach(2-3minutes) and then in fresh water with declorinator(Dont soak roots), but not all plants will survive this.. Plus if you dont find out what is causing the aglae, it might grow back with a vengence anyway...
120g, Flourite & Sand. DIY Stand and Canopy. CF lighting 3wpg, Pressurized C02, DIY reactor. 2-XP3's, 500watt heater.