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squiggley

Member
Joined
18 Apr 2008
Messages
218
I had this problem last week and put it down to contamination.

Make sure you rinse you dc out properly and any thing that you use to fill it i.e. pipette or syringe.

I think I used my syringe for measuring some dechlor solution. Have labelled now so I know which one is for the 4dkh solution
 

squiggley

Member
Joined
18 Apr 2008
Messages
218
I just use tap water and then leave it to dry.
 

kevkev

New Member
Joined
1 Sep 2009
Messages
7
Is this white film normal? It happened in about 2 or 3 days after installing it for the first time. The glass and reagent are from hong kong via ebay. The 4dkH solution is my own using baking soda.
DSC_0002_2.jpg

DSC_0005_2.jpg
 
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