Proxo
Fish Herder
For aquarium use of course not cleaning your loo 
I've got a blocked up diffuser and according to interweb research, bleach is the best option?
Gimma a brand name to make it easy
lolol.

I've got a blocked up diffuser and according to interweb research, bleach is the best option?
Gimma a brand name to make it easy
lolol.
, so thought i'd ask on here for a 'brand name' of what somebody has used and had no problems with to make things all easy for me 