I asked my husband to pick up a 5 pound CO2 container when he went shopping the other day. He went into the local welding supply shop in central Minnesota and told them he needed a tank for his wife's aquarium.
Comments from gentlemen around the counter.
- "You really want to spend that much money for fish?"
- "Doesn't your wife know fish need oxygen not CO2?"
My husband explained it was for the plants.
- "Why would you have plants in an aquarium? It's for fish."
Then one of the other guys said he had heard of this and had sold a big tank for someone else. Poor guy.
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