Regular Member SGcvn69 Posted June 6, 2019 Regular Member Share Posted June 6, 2019 Are gardening plastic planters ok to use as a mini pond? Or are they toxic? 0 Quote Link to comment Share on other sites More sharing options...
Regular Member shakaho Posted June 6, 2019 Regular Member Share Posted June 6, 2019 They aren't toxic, but they have a very small surface area to volume ratio. You can make a good filter out of pots. A tub like this is cheap and has an excellent surface area to volume ratio. This gives the fish lots of swimming area and excellent gas exchange at the surface. 1 Quote Link to comment Share on other sites More sharing options...
Regular Member SGcvn69 Posted June 11, 2019 Author Regular Member Share Posted June 11, 2019 0 Quote Link to comment Share on other sites More sharing options...
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