I have a Knop HOB skimmer and am having trouble removing a replacing the collection cup as the rubber o-ring is a very tight fit. I have read that silicon grease should be used to lubricate it. Is this safe and are there particular brands / types I should use or is there a better alternative...
<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by sally:
<strong>Very cool indeed. You mean you have had them together for 3 years and they now just started spawning?? Do you have other fish in the tank? I have had a pair of perculas for 4...
Just thought I'd share my news with you all. My gold stripe maroon clowns, who I've had as a pair from juvenile about for three years, started spawning over Christmas. The first batch hatched on Saturday night and they laid a second batch sometime yesterday.
They have chosen the underside of a...