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Is there ever an exchange of air between these closed systems and the outside world? To me, if there is no outlet to allow air out and fresh air in, it is a time bomb for a poisonous atmosphere, no matter what is contained within.
Ann

I would take what you read on google with a pinch of salt lol, i was banned for suggesting to people to do water changes if the shrimps start acting strange/uncomfortable from spoiled water.

edit: great post by the way @Wander

I decided to change names and use 'odin' after my puppy died so i used his name so he will live on in memory

Exchange of air is necessary for all life. No one can live in a bubble.
Ann

I can see it working with an established tank and sealing it with proper lighting. One opae ula to a gallon of water would be a safe bet.

Anyone find the article/reading about NASA sending our friends to space?

Yup i read about NASA, when i was a young-en i was bought one of these biospheres and it had a big NASA sticker on it advertising that this setup went into space! It was by a company called Beachworld, I think they are still around today.

Wander wrote:I don't agree, we live in a bubble btw.

I don't. I don't approve of the closed eco system torture chambers. I can cite many scientific references, but life is too short, so we can agree to diagree.
Ann

odin wrote:Yup i read about NASA, when i was a young-en i was bought one of these biospheres and it had a big NASA sticker on it advertising that this setup went into space! It was by a company called Beachworld, I think they are still around today.

I tried googling and searching the Nasa site but couldn't find any articles.

opae ula related wrote:

odin wrote:Yup i read about NASA, when i was a young-en i was bought one of these biospheres and it had a big NASA sticker on it advertising that this setup went into space! It was by a company called Beachworld, I think they are still around today.

I tried googling and searching the Nasa site but couldn't find any articles.

I will take a look but these guys have a NASA thing on their site: http://www.theartofscience.eu/en/index.htm

LOL @ prices too! http://www.theartofscience.eu/en/beachworld.htm

Beachworld Limited Edition: Perfect replica of the ecosystem that flew with the Space Shuttle STS-107



LE Diameter 10 cm, Height 27 cm