In a marine REEF aquarium nitrates should be kept as close to 0 ppm as possible. In a fish only marine aquarium you should strive to keep your nitrates below 20 ppm.
Not if the stand has flat edges and is on a level surface. If it is not level, then you should use the adjustable feet
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There is only one way to get the aquarium in Wizard 101. You will have to pass the level.
It depends on if you're planning on working as the director or the janitor. For any of the aquarium-specific jobs (i.e. not janitor, bookkeeper, sales clerk, etc.), you should probably expect that the minimum requirements will be at least a bachelor of science in marine biology or some closely related field. Some positions may require post-graduate degrees, and it's possible that you might be hired for certain junior-level positions prior to actually completing your bachelor's degree.
If your aquarium is not level it could stress the glass and eventually cause a crack or break; a difference of 1/4 inch is the highest it can safely be
The max level for the marine in Aliens: Colonial Marines is level 60. Once the marine reaches level 60, they will have unlocked all available abilities and upgrades for the character.
The typical salinity level in a saltwater aquarium is around 1.025, which means there is about 35 grams of salt per liter of water. This salinity level is crucial for the health of marine organisms as it helps maintain the proper balance of ions within their bodies. It's important to regularly test and adjust the salinity level to ensure the well-being of the aquarium inhabitants.
evapouration
To test for nitrates in a sample, one can use a nitrate test strip or a nitrate testing kit. These tools typically involve dipping the strip or using a chemical reagent to detect the presence of nitrates in the sample. The color change on the strip or in the solution indicates the level of nitrates present.
The nitrates in the soil in the beakers could increase during an investigation due to the breakdown of organic matter in the soil, the addition of nitrogen-containing fertilizers, or the release of nitrates from decomposing plant material. These factors can contribute to the accumulation of nitrates in the soil over time.
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There is a list of how many points are need for each level up to 46 on Gamezebo's Happy Aquarium strategy guide: http://www.gamezebo.com/facebook-games/happy-aquarium/walkthrough