Purigen help needed

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ufarooqi

Feeder Fish
MFK Member
Mar 9, 2012
117
1
0
Pakistan
Hi, i use purigen in one of my external canister filters, i regenerated it and kept in water for about a week checked the PH and it was unchanged so i put it back in the canister after a scheduled cleanup. Just checked the parameters yesterday and my tank PH is arround 6.5 the alkilinity is also reduced, while the water i use for my tanks has a PH of arround 7.5 . The fish are fine no worries there but i am afraid to do a scheduled water change as it might effect the PH rapidly and cause issues in my tank. Also how do i fix this ??? Any ideas??. Removing purigen completely is not an option as i have high bio load and that in itself could be disasterous.


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ufarooqi said:
Hi, i use purigen in one of my external canister filters, i regenerated it and kept in water for about a week checked the PH and it was unchanged so i put it back in the canister after a scheduled cleanup. Just checked the parameters yesterday and my tank PH is arround 6.5 the alkilinity is also reduced, while the water i use for my tanks has a PH of arround 7.5 . The fish are fine no worries there but i am afraid to do a scheduled water change as it might effect the PH rapidly and cause issues in my tank. Also how do i fix this ??? Any ideas??. Removing purigen completely is not an option as i have high bio load and that in itself could be disasterous.


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There are much more adequate ways of reducing you bio load other then purigen, more bio media, more filtration and a drip system. Id buy some serious ceramic media that way you house more bb to break down ammonia and waste! And everytime u do a water change u cut waste and nitrate by a significant amount depending on how much water was replaced but if you bio load is that crazy out of control maybe you should consider reducing ur stock or a bigger tank.

#1 S. Vettel
 
Thanks, i have one canister filter doing 1600 l/ hour . Its filled with ceremic rings in top layer followed by ehiem substrate pro in the second and third layer and purigen in last. I recently installed a DIY external canister filter doing 1000l/hour . It is filled with ceremic rings about 3 kgs in weight. With 2 ehiem 2215 filter foams. (they fit exactly as my DIY and 2215 have same 6 inch diameter). I dont think amount of filterearion is a problem only that i have seen before that removing purigen kicks a mini cycle which can and has caused death before so i donot want that again .


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