tank

[alfi]

tanks!

I like the Hagen black silicone with no frame and want to know if it is strong has other tank with frame?

I don't know yet what will be the volume of my projet it will be around 30-50 G with a sump between 20-30G

Is somewones could give me info about thoses Hagne tank blank silicone with no frame!?

An another question; At what frequence should we redo the silicone of a tank?

[alfi]

Nobody knows about theses no frame tanks!

Aftre how many time or time what is the indications that silicone joint in a tank should re-do to avoid leaking