The fish
Almost every fish is sold well below adult size, and some at a tenth of it. Thirty steps on how many a tank really holds, who fights whom, why six is a floor rather than a target, and the five fish sold to beginners that shouldn't be.
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Pygmy corydoras on pale sand
Two minutes, every time
The fish in the shop tank is a juvenile. Every tank with a miserable oversized fish in it started with someone who didn't check.
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Sound familiar?
One inch of fish per gallon is the most repeated rule in the hobby and it fails immediately. It treats a fish as a length.
It ignores body shape, how much waste a species produces, how fast it swims, whether it needs a group, and whether it will claim the bottom of the tank as territory.
The real answer is four questions, and none of them takes longer than two minutes with a phone in a shop.
What you get out of it
A list written at home beats any decision made in front of a wall of tanks.
The four questions that replace the inch-per-gallon rule
Why adult size is the one figure to look up every time, before the bag is tied
What bioload actually tracks, and how to measure your tank's real capacity
Why six is a floor for shoaling species, and what too few actually does to them
The five fish routinely sold to beginners that outgrow or outlive the tank
How to read a shop in ten minutes, and the three questions to ask at the counter
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When it is a vet, not a book: If fish are dying, gasping at the surface, hanging at the top or lying on the bottom, if they have visible wounds, growths, cloudy eyes or a bloated body, if they stopped eating, or if several went wrong at once: test the water today, stop feeding, add nothing to the tank, and take the numbers and a clear photograph to a veterinarian who treats fish or a specialist aquatic shop. There is no medication in this collection and there never will be.
Six is a floor, not a target
Shoaling species kept in twos and threes hide, lose colour and turn on each other. It's the most ignored requirement in the hobby.
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What is inside
Thirty numbered steps, one page each, with the questions, the minimums and the mistakes written down.
Inside the file
What you get
Thirty numbered steps, one page each, with the questions, the minimums and the mistakes written down.
Thirty steps, one page each
Every step has the actual number on it — group size, adult size, how long between additions.
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How many, which ones, and the four questions to ask before the bag is tied.
Thirty numbered steps, one page each, with the questions, the minimums and the mistakes written down.
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If the ebook is not what you expected, write within 60 days and you get your money back in full. You keep the file. No form, nothing to return, and you do not have to explain why.
Ten dollars, once
One payment, instant download, and 60 days to get your money back. You keep the file either way.
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The book won't give you a formula, because every formula oversimplifies. It gives you four questions and a method for measuring your own tank's real capacity from your nitrate trend.
Yes. It ignores body shape, waste output, swimming speed, group requirements and territory. It survives because it gives a number.
No, and the book gives four separate reasons, any one of which is sufficient. Goldfish are excellent animals kept properly and a bad addition to a tropical community tank.
That's usually group size, territory or mouth size, and the book covers all three. If a fish is injured, that's a vet who treats fish or a specialist, not a book.
A PDF, 6 × 9 inches. Phone or print.
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Thirty steps from the four questions to the fish in the bag.
Yes — help me choose properly — only $10.00One-time payment · 60-day money-back guaranteeThis is educational material about keeping a freshwater aquarium. It is not veterinary advice, it does not diagnose anything, and it does not treat anything. There are no medications, doses or treatment protocols anywhere in this collection. Sick or dying fish mean a water test today and a veterinarian who treats fish, or a specialist aquatic shop, in person. No book can promise you that a living animal will survive.