How to make NO3 and PO4 reference solutions(repost from Left C)

**mathman** · 11-25-2011, 05:45 AM

Thanks left c.

I enjoy learning more about my tank and all the chemistry that's goes along with it...could you please provide a link as to where I can buy graduated cylinders?

**Tom Barr** · 11-25-2011, 06:49 AM

US Plastics sells everything plastic including volumetric cylinders. Plastic should be fine and far less breakage and cost than Class A Kymex glass etc.

**Left C** · 11-25-2011, 02:53 PM

In addition to graduated cylinders, you may need funnels, weigh boats, a test tube rack, beakers, flasks, etc, too.

Links
http://www.usplastic.com/catalog/def...parentcatid=-1
http://aquaticeco.com/
http://www.carolina.com/category/equ...cid=em_TKV2011
http://www.marinedepot.com/test_kits__index-ap.html

**mathman** · 11-28-2011, 07:34 AM

Thank you very much.

**Left C** · 11-28-2011, 11:08 PM

You are very welcome!

**jerrybforl** · 11-29-2011, 04:10 AM

What does all of this mean lol???

Could someone please explain it to me in dumby terms...hehehe

**Left C** · 11-29-2011, 07:55 PM

Originally Posted by jerrybforl

What does all of this mean lol???

Could someone please explain it to me in dumby terms...hehehe

Does Hoppy's explanation help?

Calibrating a test kit means using that kit to measure some water samples with known concentrations of the substance being tested for, and using those test results to verify that the test kit is accurate, or to train yourself to recognize the colors that correspond to the concentrations you want to test for.