Search found 3 matches

by timothyp
Fri Apr 11, 2003 11:53 am
Forum: General Discussion
Topic: water sampler - part II
Replies: 2
Views: 866

water sampler - part II

Thanks for all the input on the FFCF (fish fecal collection filter). Many good ideas have been offered and from all these ideas I'll work on constructing something simple, reliable, and relatively inexpensive. I'm steering towards C. Foley's concept of the 4rpm gear motor, with mini gear pump (@ 2 L...
by timothyp
Wed Apr 09, 2003 1:40 pm
Forum: General Discussion
Topic: water sampler
Replies: 10
Views: 2323

Re: water sampler

Thanks for the replies. Let me clarify the project application. We would like to collect the fish fecal material from the bottom of conical culture tank in order to evaluate diet energetics. The "lazy susan" saple tray would hold the filter paper above the tank allowing water to fall back into the t...
by timothyp
Wed Apr 09, 2003 6:54 am
Forum: General Discussion
Topic: water sampler
Replies: 10
Views: 2323

water sampler

Would like to build a device which can collect (via pump)a 100mL sample on to filter paper and then rotate 10 degrees for next sample. Sample interval is twenty minutes thus filter paper would be changed every 12 hrs. Filter paper diameter from 20 to 30 cm. Any suggestions on pieces and parts? Thaks...