What causes calcium buildup in fish tanks?

If you've ever noticed a white residue forming on the top of your glass tank, you're probably seeing the result of the evaporation of hard water. The residue left behind is likely a lime (calcium carbonate plus additional ions) build-up on the glass called "limescale."

FAQ

• How big is a yellow tuna?

  Yellowfin tuna grow fast, up to 6 feet long and 400 pounds, and have a somewhat short life span of 6 to 7 years. Most yellowfin tuna are able to reproduce when they reach age 2.

• How long does it take to smoke Atlantic salmon?

  Place salmon on the smoker skin side down and smoke for 3-5 hours, until the internal temperature reaches 135 -140 F. You can baste the fish (the sweet rubbed piece)while it is smoking with maple syrup or orange juice.

• How do you make prawns crispy?

  Many people suggested baking soda, marinate shelled prawns with baking soda for half an hour then rinse thoroughly under running water to get rid of the after taste. As baking soda tenderised the prawns, I found that a little bit of "massage" helps in firming up and give them crunchy texture.

• Are tilapia bottom feeders?

  Is Tilapia a Bottom Feeder? One fish that many people label as a bottom feeder is Tilapia—but that's not strictly true. ... Their food floats on the top of the water, so they come up to the surface to get it—no “bottom feeding” involved.

• Why is shrimp unclean?

  Of those that live in the water (including fish) only those that have fins and scales may be eaten. All crustaceans and mollusk shellfish have no scales and are therefore unclean. These include shrimp/prawns, lobster, scallops, mussels, oysters, squid, octopus, crabs and other shellfish) is not clean.

15 Related Question Answers Found:

• Is it safe to eat freezer burned fish?

  Is it safe to eat freezer-burned food? The quick answer is yes. Freezer burn is simply the result of air coming into contact with food, and while it may not looking appetizing, it is usually safe to eat.

• Is a scallop alive?

  Scallops, unlike clams, mussels, and oysters, die quickly when harvested and thus are usually sold shucked and frozen. If you are fortunate enough to find live scallops in the shell, they should have a clean ocean smell (not fishy), and open shells should shut when tapped, a sign that the scallops are alive.

• Can beneficial bacteria kill fish?

  Importance of Beneficial Bacteria Too much nitrite and ammonia in your tank can kill your fish in just a few days. ... Another beneficial bacterium called Nitrobacter then turns nitrite into harmless nitrates.

• Can dogs raw tuna?

  Can Dogs Eat Raw Tuna? Fresh tuna has much higher levels of mercury than other types of fish, such as salmon and tilapia. ... Because dogs are smaller than humans, and because there are no recommendations for how much tuna a pup can eat safely, it's best not to feed it to your dog at all.

• Is shrimp good for aquarium fish?

  Introducing shrimp to an aquarium can be very useful. They can consume organic material, such as algae, dead plants, and detritus. This can keep your tank clean. They also make for a beautiful and unique addition to your fish tank.

• What can I do if my fish is too salty?

  Lemon juice, vinegar—whatever the acid, it's your saving grace. Use a squeeze of lemon or a drizzle of a mild vinegar to help mask some of the aggressive salt with a new flavor. Acid will bring out the best of salty potatoes or salty fish (fish and chips, anyone?).

• Do Pictus Catfish like to be alone?

  It isn't uncommon for people to keep Pictus Catfish as a single specimen; they will survive on their own with no problem. However most people who keep them, do so in a shoal, as they are a shoaling species by nature. The advantage of keeping a shoal is they are much more active and will be more outgoing.

• What is the biggest fish caught in the UK?

  “IT WAS like hooking the back of a car” – those were the words Oliver Cullingford used to describe the power he faced after hooking the UK's biggest-ever fly-caught catfish weighing a whopping 66lb 8oz.

• How long should catfish be cooked?

  Season catfish with salt and pepper, then dredge fish in seasoned cornmeal, pressing to coat. Place fish on prepared baking sheet and drizzle with remaining 2 tablespoons oil. Bake until golden and fish flakes easily with a fork, 15 minutes. Serve with lemon wedges.

• Is Nile perch a good fish to eat?

  The Nile perch is a species of freshwater fish that can grow up to two metres long and weigh as much as 200kg. ... Due to its size and preference for shallow water, the Nile perch is relatively easy to catch and its almost boneless white flesh is particularly good for eating.

• Which of the following is a major natural predator of the Pacific oyster?

  Oysters have a number of natural predators: Anemones, sea nettles and other filter feeders feed on oyster larvae. Flatworms and mud crabs feed on new spat.

• How do Cory Catfish reproduce?

  When these fish reproduce, the male will present his abdomen to the female. The female will attach her mouth to the male's genital opening, creating the well-known "T-position" many Corydoras exhibit during courtship. The female will then drink the sperm.

• Should you defrost frozen clams before cooking?

  Do you need to defrost clams before cooking? Thaw frozen clams in the refrigerator before using, and never refreeze them. While About.com is not always the best, in this case their information passes the gut test. Frozen clams certainly would be killed, and so wouldn't open upon steaming.

• Is cured salmon good for weight loss?

  Salmon. In addition to being a great source of lean protein, which can help you maintain your muscle mass when trying to lose weight, salmon is also packed with healthy omega-3 fatty acids, which your body can't produce.

• Is canned oysters safe to eat?

  Canned oysters provide nutrients like vitamin C which is absent in fresh oysters. ... They increase the lifespan of these oysters by storing them in either water or oil. Therefore, yes, while some processed foods can be harmful, be assured that these canned oysters are safe and healthy!