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How we research

Where the facts in our guides come from, and how we weigh them.

Last updated September 26, 2026


The short version

We do not test products ourselves. We read what the people who make, study and use them have published, check it against other sources, and cite all of it.

The sources we use

Manufacturer pages and manuals. Capacity, wattage, size, materials and what comes in the box come from the maker first. If the maker's page and the Amazon listing disagree, we say which one we used.

Expert organizations. Care and safety advice comes from groups with real standing in the hobby, such as the Hummingbird Society for backyard birds or veterinary reviewed care sheets for fish. We link to the exact page we relied on.

Owner reports. Long running problems, like a feeder that leaks in heat or a stone that dishes quickly, show up again and again in owner discussions. We treat a single complaint as noise and a repeated pattern as worth mentioning, and we describe it as an owner report, never as our own finding.

Specialist retailers. Shops that focus on one hobby, such as Japanese knife retailers, often publish detailed technique guides and specs. We use them for facts, and we name them.

How we confirm a product is real

Before a product goes into a guide, we confirm that the exact model exists, that the brand makes it, and that it is currently listed on Amazon US. When a well known product is not listed at the time we check, we leave it out and say so in the guide.

What we never do

We never invent specs, prices, ratings, test results or quotes. We do not copy Amazon customer reviews or star ratings. We do not show prices, because they change too often to stay accurate on a static page. The Amazon listing is always the final word on current price and availability.