GundamCichlid Posted August 9, 2010 Share Posted August 9, 2010 Hi, I am just wondering if there was an expiry date of the prime and safe??? Planning to buy the big one but worried if the product would be expired before I use it or the product is not working after certain time after the botle is opened Anyone know about this expiry product??? Thanks Quote Link to comment Share on other sites More sharing options...
bbish84 Posted August 9, 2010 Share Posted August 9, 2010 i dont think it has got an expiry date ,i all ways buy 2ltrs of prime and it last for months Quote Link to comment Share on other sites More sharing options...
Aquaholic Posted August 9, 2010 Share Posted August 9, 2010 1ml treats one gallon so it lasts a long time I checked my bottle. It has no use by date. It contains complex hydrosulfite salts so would last for years. Quote Link to comment Share on other sites More sharing options...
KIMO Posted August 9, 2010 Share Posted August 9, 2010 ...don't go by the smell either!! hahaha Quote Link to comment Share on other sites More sharing options...
Aquaholic Posted August 9, 2010 Share Posted August 9, 2010 yeah its supposed to stink Quote Link to comment Share on other sites More sharing options...
KIMO Posted August 9, 2010 Share Posted August 9, 2010 It's a lovely odour........worth opening the cap and sniffing from time to time. Quote Link to comment Share on other sites More sharing options...
antz Posted August 9, 2010 Share Posted August 9, 2010 just keep it out of direct sunlight etc... cool shady place and all should be fine. Quote Link to comment Share on other sites More sharing options...
GundamCichlid Posted August 9, 2010 Author Share Posted August 9, 2010 (edited) Thanks for all the info you shared. I have submitted my queries to seachem support and here is the answer: On 9 Aug 2010 04:18:00 -0000 xxxxxxxxxx@XXX.com wrote: > > You have been contacted by G with regards >to Safe and Prime expiry date, their additional message >is as follows. > > "Hi, > > I am planning to buy Prime and safe and just >wondering how long this product will be safe to use as >there is no expiry date in the pack > > Thanks > xxx" > > You can contact G via email, >xxxxxxxxx@XXX.com or via phone >+614032xxxx Hello G, Thank you for your questions. There is no shelf life on either Prime or Safe, therefore, there is no expiration date on either product. They will be just fine to use as long as there is product remaining. Let us know if you have further questions, and have a great week! Seachem Support 10208 http://twitter.com/seachem http://www.facebook.com/pages/Seachem-Labo...nc/234037027634 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Seachem Laboratories, Inc. 1000 Seachem Drive, Madison, GA 30650 888-SEACHEM Fax 706-343-6070 seachem.com - jurassipet.com - watergardenoasis.com - avipet.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ PS: I have edit my email above to xxxx for my personal use. Believe it or not the above email is genuine. Thanks and I am gonna get some ordered Edited August 9, 2010 by GundamCichlid Quote Link to comment Share on other sites More sharing options...
Eyad Posted September 21, 2021 Share Posted September 21, 2021 Hi, I am just wondering of I place Seachem Purigen in my pre filter canister before it goes into my main canister filter. Will the Purigen starve the beneficial bacteria housed in my main filter? Quote Link to comment Share on other sites More sharing options...
Link2Hell Posted September 24, 2021 Share Posted September 24, 2021 the Purigen won't have a negative effect on your bacteria it will improve water quality by removing impurities Quote Link to comment Share on other sites More sharing options...
fishdance Posted September 24, 2021 Share Posted September 24, 2021 (edited) According to this article, PRIME & SAFE converts to Sodium Thiosulphate and also explains that sulphurous smell. https://aquariumscience.org/index.php/5-5-3-1-ammonia-detoxifying/ I've heard similar things but never tested myself even though that would be easy. Sodium Thiosulphate can be bought at most swim pool supply /shops including Bunnings. I bought a 20Kg bag of ST crystal that worked out to be less than $5 per kilogram. One of my tanks is 100,000L which would need 300gm (at 4ppm chlorine/chloramine). Edited September 24, 2021 by fishdance Quote Link to comment Share on other sites More sharing options...
fishdance Posted September 30, 2021 Share Posted September 30, 2021 (edited) I fell deep down into this rabbit hole of saltwater aquarium geeks & water chemistry. They seem to show PRIME doesn't remove ammonia in analytical tests and practical tests. https://www.reef2reef.com/threads/does-prime-actually-detoxify-free-ammonia-nh3.849985/ Edited September 30, 2021 by fishdance Quote Link to comment Share on other sites More sharing options...
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