Lobos wrote: > The needle valve can be found at www.marine-monsters.com and so can > some reactors. You can also make your own reactor using designs at > www.thekrib.com. Other possible reactor sources: Tom Barr (?) www.aquabotanic.com Not affiliated with any of the above (except Tom has always responded to my algae cries for help!! BTW.. thanks Tom!!). Regards, Will