Q: When is Purigen®exhausted and how do I regenerate it?
A: Purigen will turn from its normal color to a deep brown when it is exhausted. Purigen can easily be regenerated by soaking it in a solution of hyperchlorite (generic) bleach overnight. The Purigen®will return to its original color. Then rinse well and dechlorinate using Prime®or Safe™to remove any chlorine. For freshwater, use a buffer to adjust the pH as needed due to bleach’s high pH.
VeipaCray wrote:purigen comes either way. The 100mL package is a sealed mesh media bag with purigen inside. The other option is to buy a bottle and get your own media bags to fill. The bottles come in larger quantites so if you'd like more than one media bag full of purigen the bottles are more economical. For ease of use, it's hard to beat the $8 pre-bagged 100mL purigen.
steve wrote:I wish I had bought the pre-bagged ones too. Congrats on the fantastic upgrade!
VeipaCray wrote:Yeah that's most likely a bacteria bloom and is normal. That will clear up shortly on it's own. It MAY begin to produce an odor as well - if so you can point the output of the FX5 up to break the surface of the water and oxygenate the water a bit. The bacteria bloom will clear up and any smell will go away. It's just part of the natural cycling of the tank. Doing a water change will just prolong the process from finishing. Ask Penelope... she kept doing water changes ... same thing. We finally convinced her not to touch the tank for a bit and let it do it's thing for a few weeks and poof... clear water.
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