Chemi-Pure, Purigen or both?

[PB_Smith]

I'm curious about using both chemi-pure and purigen as I have read some reviews where people are using both. Is it redundant or do they actually compliment one another?

Here is another thing I have always wondered about for years.
If activated carbon should be changed every 4-8 weeks and if left too long can leach contaminants back into the water, why does chemi-pure say it can be used for 3 -6 months before changing when it is about 70% activated carbon and 6 months is quit a bit more than the recommended life of activated carbon. Makes me wonder if it actually is safe to leave in place that long.

Any experiences/insight?

I'm asking relating to salt water tanks.

 

[BigRedsReefs10]

Is this for sw or fw? And if sw reef or fowlr? For a reef I wouldn't run both because corals need some nutrients in the water column. For the other 2 go ahead, should be fine. On the CPE, I replace mine every 6 weeks (8 if I'm being lazy/cheap) but purigen can be "recharged" which is nice

 

[PB_Smith]

Saltwater fish and inverts, no coral or nems.
I think I will put purigen in a canister and use chemi-pure in my overflow where I can more easily change it.

 

[Sniperhank]

I've run both on my reef tank before. Didn't notice any negatives besides paying for it.

 

[Redwolf91]

Run both, never an issue, ran then individually, both work well I think. Either way you should be okay

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