gagaforfish Posted July 17, 2010 Report Share Posted July 17, 2010 Brother wants to set up a 10-20L cold water tank for guppies. Dad is currently undecided, but Brother asked to post here any way... His questions... A)how many? B)what types? C)what do I feed them? Translated... A)How many guppies could I have in a tank of this size? B)If possible are there any other types of cold water fish he could have as well with/instead of guppies? C)Can I feed them the food we already have? (tetra food) Thanks! Quote Link to comment Share on other sites More sharing options...
ryanjury Posted July 17, 2010 Report Share Posted July 17, 2010 I wouldn't do guppies in pure "cold water" they don't really handle temperatures below 18C really well. There is a debate and plenty of people who claim "cold water guppies" when they sell them that is based on the fact they were living in unheated water in a warm petshop but there really isn't such a thing. I would go for something like leopard fish as they go well down to almost 0C.. Quote Link to comment Share on other sites More sharing options...
gagaforfish Posted July 17, 2010 Author Report Share Posted July 17, 2010 okay cool. I told my brother... He wonders if he would be better off getting a small heater? Quote Link to comment Share on other sites More sharing options...
Ira Posted July 17, 2010 Report Share Posted July 17, 2010 okay cool. I told my brother... He wonders if he would be better off getting a small heater? If you want a tank that isn't cold water then a heater is a requirement. Quote Link to comment Share on other sites More sharing options...
ryanjury Posted July 17, 2010 Report Share Posted July 17, 2010 You still have to be careful what you stick in a tank that small with a heater.. I would go for some of the smaller danio/rasbora species that have come in lately, or maybe male guppies/platties. If you put male and female live bearers in there they will soon overrun a tank like that, of course you could add some and then add something to control the population too, but again you run out of room in a tank that small. Quote Link to comment Share on other sites More sharing options...
malevolentsparkle Posted July 17, 2010 Report Share Posted July 17, 2010 if your thinking a 10-20L tank because it will be easier then think again. anything smaller than 30L and you have to be very very carefull with water chemistry, temperature, oxygen, and stocking. Quote Link to comment Share on other sites More sharing options...
gagaforfish Posted July 17, 2010 Author Report Share Posted July 17, 2010 thanks for all the advice.. Dad still hasn't decided on whether my brother is allowed, so... Quote Link to comment Share on other sites More sharing options...
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