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3/14/2012 – I need a replacement diaphram for my 2 year old Koiair aerator-do you have them in stock? Thanks for your help.
Response From TJB-INC: I am sorry but I do not stock the replacement diaphrams at this time. ... TED
5/9/2011 – What is the minimum aeration would I need for a 11X16 app.2ft deep pond?
Response From TJB-INC: The smallest unit will work. What is the determining factor is the level of dissolved organics in the water column & if you are using Beneficial Bacteria to break down the organics.
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