redeyeun Active Member Apr 13, 2007 #1 Anyone ever used this little jem? I'm not sure how it's powered (115v/60hz ?? batteries??) but it is completey submursible, no noise, no vibration. Maybe as Hydro primary or backup O2 supply (power outage).
Anyone ever used this little jem? I'm not sure how it's powered (115v/60hz ?? batteries??) but it is completey submursible, no noise, no vibration. Maybe as Hydro primary or backup O2 supply (power outage).
flashyy1 Active Member Feb 2, 2009 #3 ive got an hydor air pump. in an oxy pot. does make a noise. any tips to reduce noise? s
