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Watering the aquarium plants.
On Mon, 05 Apr 2004 21:40:25 GMT, "Michi Henning"
wrote: "Graham Broadbridge" wrote in message . au... "Michi Henning" wrote in message ... BTW -- you should try to get those nitrate levels down. 100ppm is definitely on the very high side where it will be toxic for at least some fish species. Adding lots more plants will help in reducing nitrate levels. At 100 ppm NO3 there is some evidence that plants themselves shut down at normal (0.05 - 0.1 ppm) Fe and trace levels. Ah, I didn't know that, thanks! Do you have any links? I cannot say that I have ever seen that myself with my 100ppm plus Nitrate levels. As even my Myriophyllum Tuberculatum (red) ones, who due to my extremely hard water and low lighting, only went and turned brown and died greatly back are now putting out some green shoots. Kind of odd to have a naturally Red plant that is Brown and Green instead, but there you go. I will keep that in mind though, but I cannot see how too much Nitrate food can ever be a problem. Maybe that depends on the plant species, where that would be an unusual species. So I would also be interested in further details, when it could be something to watch out for. Nitrate at 100ppm is not that high as these things can go, when my aquarium Nitrate levels would exceed that level just before my weekly water change. At most I guess is that I have grown plants in Nitrate levels of 250ppm plus before, but of course then they and everything else gets attacked by algae. One reason I guess why too much Nitrate levels in nature, with for example sewage discharge will kill plants, when there is no one to clean the algae off the plants. Well my water guide mentions that Nitrate levels between 25 and 100 are normal aquarium levels, even if it also says that Nitrate levels should ideally be kept below 25 to avoid algae growth. Anyway, today I finally got around to ordering those 18 plants for this aquarium and then a couple of plants to go in my other aquariums, where I will be happy to report how my Nitrate levels change. I can only hope for a Nitrate reduction, when then I won't have to buy that more expensive Nitrate Filter, but I consider that a long shot. Cardman http://www.cardman.com http://www.cardman.co.uk |
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