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  2. Recirculating aquaculture system - Wikipedia

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

    Removing solids reduces bacteria growth, oxygen demand, and the proliferation of disease. The simplest method for removing solids is the creation of settling basin where the relative velocity of the water is slow and particles can settle at the bottom of the tank where they are either flushed out or vacuumed out manually using a siphon.

  3. Marine aquarium - Wikipedia

    en.wikipedia.org/wiki/Marine_aquarium

    The sump helps the appearance of the tank, because it allows filtration and maintenance equipment (protein skimmer, heater, activated carbon) to be kept out of sight of the main tank. It also ensures that the water level of the main aquarium never changes, as the overflow sets the water level in the main tank.

  4. Cyanide fishing - Wikipedia

    en.wikipedia.org/wiki/Cyanide_fishing

    In respect of fishing techniques, cyanide fishing is a specific method of collecting live fish, mainly for use in aquariums, which involves spraying a sodium cyanide mixture into the desired fish's habitat in order to incapacitate the fish.

  5. Palaemon paludosus - Wikipedia

    en.wikipedia.org/wiki/Palaemon_paludosus

    Along with eating algae they will eat whatever has been fed to the animals kept in the tank as well. [5] For the shrimp's sake it is recommended to keep a group of them, a group of up to 20 individuals can be healthy fit in a 5-gallon tank. [5] Although the ideal ratio of shrimp to tank size in gallons is about 3 shrimps per gallon. [5]

  6. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Electrochlorination - Wikipedia

    en.wikipedia.org/wiki/Electrochlorination

    The solution travels to a tank that separates the hydrogen gas based on its low density. [1] Only water and sodium chloride are used. The simplified chemical reaction is: NaCl + H 2 O + energy → NaOCl + H 2 [citation needed] That is, energy is added to sodium chloride (table salt) in water, producing sodium hypochlorite and hydrogen gas.

  8. What’s closed on national day of mourning for Jimmy Carter

    www.aol.com/closed-national-day-mourning-jimmy...

    But make sure to check local store hours before heading out. The last national day of mourning was in December 2018 in honor of the late former President George H.W. Bush, who died at 94.

  9. Adorable Goldendoodle Goes All Out to Stop Dad From Reading ...

    www.aol.com/adorable-goldendoodle-goes-stop-dad...

    Awwww! It sounds like Harry has a girlfriend named Stella! Now we need the deets about the two of them! Commenters loved Harry's reaction to hearing Stella's name. @ReVel Fleur pointed out, "He ...