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What that does and does not change
It does not change which products appear. Recommendations are made on the specifications described in the text — chamber capacity, temperature stability, humidity control, build quality — and a product with no affiliate programme is recommended on exactly the same basis as one with a generous commission.
It does not change what we say about a product's weaknesses. Where a machine's built-in sensors are unreliable, or a design has a known failure mode, the page says so.
Pages carrying affiliate links show a disclosure notice at the top, in line with the US Federal Trade Commission's endorsement guidelines.
No paid placement
We do not accept payment for reviews, rankings or inclusion. No manufacturer has editorial input, and none sees a page before it publishes.