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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. Environmental issues in Brevard County - Wikipedia

   en.wikipedia.org/wiki/Environmental_issues_in...

   Brevard County has 8,000 miles (13,000 km) of waterline, presenting a challenge to water environmental management. In 2013, there were four major problems with water quality in the Indian River Lagoon. 1) Excess nitrogen and phosphorus from runoff from the application of fertilizer; 2) an estimated 8 to 11% septic tank failure. There are tens ...

4. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Fresh water can have widely ranging pH values depending on the geology of the drainage basin or aquifer and the influence of contaminant inputs . If the water is acidic (lower than 7), lime, soda ash, or sodium hydroxide can be added to raise the pH during water purification processes. Lime addition increases the calcium ion concentration, thus ...

5. Pond loach - Wikipedia

   en.wikipedia.org/wiki/Pond_loach

   The pond loaches prefer a water pH of 6.5–8.0, but, as a temperate-climate freshwater species, will tolerate far more acidic conditions, even for extended amounts of time, with little negative reactions. This makes the pond loach a great choice for first-time aquariums and for those who want a hardy fish tank able to withstand a few mistakes.

6. pH - Wikipedia

   en.wikipedia.org/wiki/PH

   The pH range is commonly given as zero to 14, but a pH value can be less than 0 for very concentrated strong acids or greater than 14 for very concentrated strong bases. [2] The pH scale is traceable to a set of standard solutions whose pH is established by international agreement. [3]

7. Florida lawyer busted smuggling legal docs soaked in ‘K2 ...

   www.aol.com/news/high-court-lawyer-busted...

   A Florida defense lawyer was busted for allegedly smuggling legal documents soaked in the wild synthetic marijuana known as K2 into jail so inmates could get stoned, officials said.