06-27-2012, 08:19 AM
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I have five of these heater's(Hydor's) that have been in operation for around six year's now without any problem's.
Have been thinking of replacing them for they are getting older and will prolly go with Visi-therm.
I have four of the Visi-therm's which are much older.
Funny,,when I purchased the Hydor's some year's back,,they came with lifetime gaurantee.
I no longer see this gaurantee being offered in ad's for the Hydor.
I did have temp's in Discus
tank with Hydor's climb to 90 degree's from 84 degree's one year, but it was largely due to me forgetting to dial back the temp from winter ,to summer.