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If this black ink is comming from the fishes vent (anus) you need to do some more water changes and also improve the fishes diet.
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∙ 14y ago
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What does being in the black mean in business?
Black ink on the ledger means that the business is showing a profit. Red ink shows a loss.
What does 'Being in the black' mean in business?
Bookkeepers used ink to record the money of a company. They use red ink for negative numbers and black ink for positive numbers. When a company is in the black it is making a profit.
What does the idiom in the black mean?
Simply put, accountants record their numbers in different colored ink. Positive balances in black ink (good), and negative balances in red ink (bad).
What is the difference between photo black ink and black ink?
photo black ink is more expensive
Is black magic ink the same as India ink?
is black magic ink the same as India ink
Is black printer ink cheaper than colored printer ink?
Yes, black printer ink is cheaper than colored ink in general. It's also easier to refill black ink yourself.
How was invented black ink?
Black ink was invented in 900 a.d. by the chinese. Ink contains dyes and some powder rocks.
Is there nickel in black tattoo ink?
No. There is no nickel in black ink. There is a concentration of iron in red ink. The majority of people that are allergic to any ink are the ones that are allergic to iron.
What does it mean when a company is working in in the black?
It means that the company is making a profit. When keeping a book of transactions, a bookkeeper would use black ink if the company was making money and red ink if the company owed money.
What was black ink used for in ancient Egypt?
Black ink was used to draw draw pictures. You would dip a quill (a sharpened feather) into ink and draw picture because there wasn't markers black then. They also used black ink to write . you dip the quill into the ink and you start writing .
Who invented black ink?
ancient Egypt invented black ink but ancient china stole it from them.
Is waterproof ink the same as Indian ink?
If you mean India ink, the answer is no. India ink in made with carbon black and is not inherently waterproof. It must be made waterproof the same way other inks are made waterproof, by the addition of certain chemicals and compounds.
