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2. Recirculating aquaculture system - Wikipedia

   en.wikipedia.org/wiki/Recirculating_aquaculture...

   Recirculating aquaculture systems (RAS) are used in home aquaria and for fish production where water exchange is limited and the use of biofiltration is required to reduce ammonia toxicity. [1] Other types of filtration and environmental control are often also necessary to maintain clean water and provide a suitable habitat for fish. [2]

3. Ammonia poisoning - Wikipedia

   en.wikipedia.org/wiki/Ammonia_poisoning

   A build-up of ammonia in the fish tank leads to ammonia poisoning. Species of ammonia-oxidizing bacteria (AOB) can break down the ammonia and convert it to other, less toxic, nitrogen products. Two examples of AOB are Nitrosospira and Nitrosomonas. [2] The amount of ammonia present is usually accompanied by a rise in pH. As ammonia is a base ...

4. Fishless cycling - Wikipedia

   en.wikipedia.org/wiki/Fishless_cycling

   The most significant advantage of fishless cycling is that it can reduce fish loss due to ammonia and nitrite spikes. Fish loss can be very discouraging for beginners of fish keeping, so indirectly, fishless cycling can also help beginners get a good start. Cycling aquariums using feeder fish is risky, because it infects the aquarium with any ...

5. Aquarium filter - Wikipedia

   en.wikipedia.org/wiki/Aquarium_filter

   An aquarium is, however, an imperfect microcosm of the natural world. Aquariums are usually much more densely stocked with fish than the natural environment. This increases the amount of ammonia produced in the relatively small volume of the aquarium.

6. Algae scrubber - Wikipedia

   en.wikipedia.org/wiki/Algae_scrubber

   Periodic removal of the algae that has grown inside of an algae scrubber removes nutrients (ammonia, nitrate, phosphate) from the aquarium water, thus providing the needed filtration. An algae scrubber is a water filtering device which uses light to grow algae ; in this process, undesirable chemicals are removed from the water. [ 1 ]

7. AOL Mail - AOL Help

   help.aol.com/products/aol-webmail

   Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

8. Use or opt-out of Dynamic emails in AOL Mail - AOL Help

   help.aol.com/articles/use-or-opt-out-of-dynamic...

   Dynamic email gives you the ability to get through your daily email routine even faster, and without ever leaving your inbox. This feature is turned on by default but, can be disabled at any time through the settings. Dynamic emails in AOL Mail can be used to: • Complete tasks. • Shop right from a message. • View travel recommendations.

9. Today’s NYT ‘Strands’ Hints, Spangram and Answers ... - AOL

   www.aol.com/today-nyt-strands-hints-spangram...

   Find non-theme words to get hints. For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show ...