Dechlorinator expiration date

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whizzvet

Aquarium Advice Newbie
Joined
Apr 14, 2009
Messages
1
Location
Matosinhos, Portugal
Hi there!

Only after putting the dechlorinator in my (still empty...) fish tank have I noticed that is 1 1/2 years past expiration date (bottle says October 2007...).
The instructions in the box say to not use after expiration date... Is it dangerous for the fish I was intending to put in the aquarium next week? Or is it only uneffective? Shall I remove all the water, buy a new dechlorinator and refill the tank?

T(h)anks for all the help!
 
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