Search found 208 matches

by Jen1
23 Mar 2015, 13:37
Forum: Announcements
Topic: Haines Light boxes
Replies: 8
Views: 2315

Re: Haines Light boxes

Debbie, can you tell me if those coloured light sources are bright enough to use in a normal classroom please. They look fantastic and I love that they dont need the power supply boxes.
by Jen1
06 Jun 2014, 10:29
Forum: Biology, Physics...
Topic: How long do you store agar plates?
Replies: 11
Views: 3221

Re: How long do you store agar plates?

I try to have them used within a week, but sometimes they are kept for longer. It depends on the thickness of the agar, if too thin then they can dry out and curl up at the sides which is no good. When filling the plates, fill them to about 2/3 full.
by Jen1
06 Jun 2014, 10:25
Forum: Biology, Physics...
Topic: Condensation on Agar Plates
Replies: 5
Views: 2198

Re: Condensation on Agar Plates

I know that my method has huge risks of contamination and would never be used in a microbiology lab, but it works for us. I pour the agar when it is cool enough to handle the bottle and then I LEAVE THE LID OFF THE PETRI DISH until it has cooled completely. I then store and incubate upside down and ...
by Jen1
02 Feb 2012, 13:12
Forum: Recipes and Pracs
Topic: seismograph
Replies: 6
Views: 1928

Re: seismograph

love it! thanks Ian, I showed the head of science and now he has a legitamate reason for buying an ipad!
by Jen1
02 Dec 2011, 15:06
Forum: Safety with Chemicals
Topic: Flame test kits
Replies: 58
Views: 9831

Re: Flame test kits

we use paddle pop sticks soaked in the solutions overnight and then empty the solution out prior to prac. They work better if they are still a bit damp, no bottles for the kids to contaminate.
by Jen1
06 Sep 2011, 14:36
Forum: Chemistry and Labware - General
Topic: Cleaning test tubes
Replies: 23
Views: 5680

Re: Cleaning test tubes

Well I must be the laziest labbie around. :-) We do the rusting prac in 10ml culture tubes that I buy in bulk and work out at 7cents each. I dont even bother trying to wash them at that price, straight in the bin they go. I figure the time, water, cleaning chemicals just doesnt justify washing them....
by Jen1
01 Sep 2011, 10:21
Forum: Chemistry and Labware - General
Topic: Pipette Fillers
Replies: 14
Views: 2538

Re: Pipette Fillers

Yeah there is a fair bit on the internet on pipette pumps/fillers but i'm after the experience of the labbies here who will give an honest answer as to which are best.
by Jen1
30 Aug 2011, 15:04
Forum: Recipes and Pracs
Topic: What electrical wire do you use
Replies: 9
Views: 2018

Re: What electrical wire do you use

Wow Matchstick that is good news to hear! I have often looked at those but thought they would probably break too so have stuck to the cheaper hand made ones. Maybe its time to start investing in the "all in one" ones.
by Jen1
30 Aug 2011, 11:42
Forum: Chemistry and Labware - General
Topic: Pipette Fillers
Replies: 14
Views: 2538

Re: Pipette Fillers

Thanks for your responses guys, keep them coming, as all info is appreciated. Smiley can you give me a bit more info on the Diji pipettes please? I havent heard of these ones. If you know where they came from I could perhaps find them in a catalogue.
Cheers Jen
by Jen1
30 Aug 2011, 10:22
Forum: Recipes and Pracs
Topic: What electrical wire do you use
Replies: 9
Views: 2018

Re: What electrical wire do you use

I buy mine from the local hardware store and then I can see exactly what I am getting
by Jen1
29 Aug 2011, 11:12
Forum: Chemistry and Labware - General
Topic: Pipette Fillers
Replies: 14
Views: 2538

Re: Pipette Fillers

I have been looking at pipette pumps and I'm not sure which ones to go for. Science supply have Kartell at $29.50 and Polylab pi-pumps at $9.50. Does anyone have experience with either of these and which should I buy? Dont want to waste $20 if the cheap ones are ok, but more importantly dont want to...
by Jen1
09 Aug 2011, 11:11
Forum: Sourcing Materials & Eq Repairs
Topic: Safety glasses storage
Replies: 8
Views: 1672

Re: Safety glasses storage

we too use the wooden wall racks and while we do get some scratching, it is a lot less than when we had them in a box. The racks make it easy to see if any are missing too
by Jen1
27 Jul 2011, 14:11
Forum: Sourcing Materials & Eq Repairs
Topic: Small Dynamics/Physics carts
Replies: 6
Views: 1997

Re: Small Dynamics/Physics carts

Try Education Matters, I bought some blue ones there last year, $10 each
by Jen1
01 Jun 2011, 10:22
Forum: Recipes and Pracs
Topic: Flower Dissection
Replies: 17
Views: 2662

Re: Flower Dissection

we use hibiscus which are in flower now, at least in WA they are. My neighbour has a few that hang over my fence so I just help myself in the morning and bring them in.
by Jen1
26 May 2011, 10:36
Forum: Sourcing Materials & Eq Repairs
Topic: Heat Conductivity - Ball and Ring
Replies: 22
Views: 3323

Re: Heat Conductivity - Ball and Ring

Serrata's 2010/11 catalogue has them at $14.60 for the separate handles, $16.50 for one handle and ball on a chain.
Love the idea of the separate handles and no chain to break. Think I will be updating mine old ones with these.
thanks for the tip
by Jen1
17 May 2011, 13:39
Forum: Sourcing Materials & Eq Repairs
Topic: Microscope service and repairs
Replies: 31
Views: 5702

Re: microscopes

Has anyone had experience with Wiltronics Scientific Digital LCD Microscopes. They come with a 3.5" LCD screen. I thought these might be great for students working in groups, much easier for them to discuss and identify whats on the screen.
any input appreciated
jen
by Jen1
10 May 2011, 14:28
Forum: Chemistry and Labware - General
Topic: Safety glasses hygiene
Replies: 42
Views: 5879

Re: Cleaning Safety Glasses and Goggles

yep, that's what I do
by Jen1
08 Apr 2011, 16:03
Forum: Sourcing Materials & Eq Repairs
Topic: Beads
Replies: 8
Views: 1918

Re: Beads

how about coloured matchsticks, they are cheap to buy, already coloured and last for ever
by Jen1
29 Mar 2011, 16:28
Forum: Forum Support Desk
Topic: change of name
Replies: 4
Views: 2961

Re: change of name

I dont know how to help with your query, but congratulations on your marriage last year Annette
:clap3: :D
by Jen1
25 Mar 2011, 15:14
Forum: Miscellaneous
Topic: Physical Phenomena Experiments - Science in a box
Replies: 73
Views: 9921

Re: Physical Phenomena Experiments - Science in a box

Thanks Kim,
Was there a part 1? I got parts 2,3 and 4
Jen