The Planted Tank Forum banner
1 - 1 of 1 Posts

·
Registered
Joined
·
165 Posts
they have to be certified every 5 years. they will tell you when you take them to get thim filled if they are expired or not. if so it will cost between 10 and 20 dollars each to certify (hydro-test) them.
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top