you probably think im crazy... other co2 methods? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 6 Old 03-06-2007, 06:07 PM Thread Starter
you probably think im crazy... other co2 methods?

besides diy or pressurized will these things work

Dry ice
soda water
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post #2 of 6 Old 03-06-2007, 06:50 PM
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Lets say your dad works at a dry ice factory, or a morg(were they keep dead people) and every day when he comes home from work he will bring you a hunk of ice. The ice would lower the tank temp way too much so you would need to put the ice in a 2 liter soda bottle and hook it up with some are line tube so the c02 would slowely be despensed into your tank.
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post #3 of 6 Old 03-06-2007, 10:29 PM Thread Starter
Quote:
Originally Posted by trreherd
Lets say your dad works at a dry ice factory, or a morg(were they keep dead people) and every day when he comes home from work he will bring you a hunk of ice. The ice would lower the tank temp way too much so you would need to put the ice in a 2 liter soda bottle and hook it up with some are line tube so the c02 would slowely be despensed into your tank.
yeah i guess i didnt say it clear enough, the soda bottle filled with soda water will be hooked up with airline tubes etc and the co2 is dispensend into the tank, which is then drunk by the human to not waste it and refilled.

Same goes with dry ice, in a bottle, with some water, the more water the faster the difusion the more CO2 levels in the tank. The less water the less CO2 in the tank etc.
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post #4 of 6 Old 03-08-2007, 11:07 PM
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Not bad ideas. Nice thinking

I think the carbonated water wouldn't work because of the price, and probably would only bubble for a few days, whereas DIY would last a month.

But as far as dry ice is concerned, it will work...just dry ice in a container, you wouldn't even need water, it will warm up on it's own (you may even want to put it in a 2 liter and put that bottle in a cooler to keep it cold longer so it evaporates/bubbles slower). Also will be used up quickly, but if it's free, why not?

For Halloween one year, I went as a mad chemist. I put gin and 7 up in a flask and added dry ice to make it cloud up (and keep it nice and cold).....safe to drink, though nobody else at the party trusted my chemist skills and assumed it would be harmful......

In fact, most fish stores (the kind that sell fish as food!) will probably give you free dry ice at the end of the day if you ask them.....I'd like to try it myself, though I'd sooner experiment on myself before I do so to my fish....if you have sucess, let me know......

Again, nice thinking...
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post #5 of 6 Old 03-08-2007, 11:45 PM
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I am not sure if dry ice would be a good solution. Not for fish and especially not for people and especially not for experiments.
Usually dry ice includes stabilzers and different additives which are toxic.

Here are some links what could happen:
Dry ice and water 1
Dry ice and water 2

I studied chemistry 3 years and I wouldn´t even think about to try it.
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post #6 of 6 Old 03-09-2007, 01:00 PM
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I would never put dry ice in a 2 liter bottle with water, only dry ice in an empty bottle. It would sublime fast enough on it's own it may lose a bottle's worth in a day anyway.

Note: Putting dry ice in water doesn't cause a reaction that wouldn't happen normally, it simply warms the ice up, making it out gas faster. The amount of CO2 bubbling in your tank would be tremendous due to those increased pressures. That is why the bottle explodes in water....leaving dry ice out in the open, it warms more slowly, as long as your tubing is able to pass that pressure at the same rate it builds, you won't get an explosion....

Also, if you used food grade dry ice, it is perfectly safe to put into your beverages. How do you think they make the punch at the high school dance fog up so romantically?
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