I had a disastrous hatch last summer, my first ever hatch and it was in a not so great borrowed incubator (not a Brinsea) and I hatched chicks with tendon and foot issues.  Since using the Brinsea incubators...

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The products are always reliable ( and I wouldnt be without my HUGE Brinsea incubator!) - the helpline is second to none in sorting out any problems or for up to date advice - they are so friendly!