cleaning circulation pumps b****r

[diver 807]

thought it was time to clean my circulation pumps,soaked them in white vinegar for 24 hrs then in ro for 24hrs,thought how well they came up,clean as a new pin,then put them back in the tank,great ,then today one was making out like a bloody washing machine,switched it off then back on now it humming so loud its doing my head in. Wish now I left well enough alone.

[Sharkstooth]

thought it was time to clean my circulation pumps,soaked them in white vinegar for 24 hrs then in ro for 24hrs,thought how well they came up,clean as a new pin,then put them back in the tank,great ,then today one was making out like a bloody washing machine,switched it off then back on now it humming so loud its doing my head in. Wish now I left well enough alone.

Its possible that some piece of coaline fell off during soaking in venegar & well inside the impellor well. It would only take a tiny piece to cause problems.

[diver 807]

it was as clean as a whistle took it apart twice