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The reactor dissolves the calcium-laden media to provide bicarbonates HCO 3 − (alkalinity) and calcium (Ca ++) ions at the same rate as consumed during calcification. Effectively dissolving the media requires an acidic pH. Saltwater may have a pH of 7.8 or higher, so to reduce the pH carbon dioxide (CO 2) is used. The reaction formula is:
There are many horticultural plants which are calcifuges, most of which require an 'ericaceous' compost with a low pH, composed principally of Sphagnum moss peat. Alternatively sulphur chips may be used to lower soil pH. A plant that thrives in lime-rich soils is known as a calcicole.
Lastly, live rock will also help balance and stabilize pH in the aquarium. Calcium, alkalinity and other trace elements which are consumed by corals are replaced through water changes (using natural seawater or a quality synthetic salt mix) or the use of a calcium reactor , kalkwasser (calcium water – calcium hydroxide mixed with pure water ...
Soil salinity control refers to controlling the process and progress of soil salinity to prevent soil degradation by salination and reclamation of already salty (saline) soils. Soil reclamation is also known as soil improvement, rehabilitation, remediation , recuperation, or amelioration.
The first step of nitrification in the biofilter consumes alkalinity and lowers the pH of the system. [10] Keeping the pH in a suitable range (5.0-9.0 for freshwater systems) is crucial to maintain the health of both the fish and biofilter. pH is typically controlled by the addition of alkalinity in the form of lime (CaCO 3) or sodium hydroxide ...
Most disease problems can be avoided through proper plant care including planting in well-drained soil, fertilizing properly and maintaining appropriate soil acidity, and avoiding damage or wounds ...
However, high RSC index water does not enhance the osmotic pressure to impede the off take of water by the plant roots unlike high salinity water. Clay soils irrigation with high RSC index water leads to fallow alkali soils formation. [2] [3] [4] Cross section of a mango tree with shallow roots in partially formed alkali soil
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