Alder Cones Anyone Used Them?

[lilfishie]

Just wondered if anyone has used Alder Cones before?

I am looking at getting some for my betta Falx tank wondered how effective they are.

Thanks Lil

 

[BigC]

I have used them only as an anti fungal agent in egg tubs
Regards
C

 

[lilfishie]

thats good enough for me