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Lime softening (also known as lime buttering, lime-soda treatment, or Clark's process) [1] is a type of water treatment used for water softening, which uses the addition of limewater (calcium hydroxide) to remove hardness (deposits of calcium and magnesium salts) by precipitation.
Specimens of Porites are sometimes available for purchase in the aquarium trade. Due to the strict water quality, lighting and dietary requirements, keeping Porites in captivity is very difficult. Most Porites that are collected have Christmas tree worms (Spirobranchus giganteus) that bore into the coral, serving as additional aesthetic livestock.
Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes
They should be placed on hard surfaces and kept in water temperatures under 80 °F (26.7 °C). Though the main structure of Dead man's fingers is inedible, some fish may graze on the fuzzy filaments that cover its surface. [84] [85] [86] 12 in (30.5 cm) [84] Green fleece: Codium decorticatum: Easy [87] Slow [87] High [87] Low [87] Not really [87]
For freshwater aquaria, gravel is the most common substrate. To prevent damage to fish, gravel should not be sharp. Aquarium gravel can be as coarse as pea-sized or as fine as 1–2 mm. [1] It is available in a number of colors, and may be naturally colored or dyed, and may have a polymer seal to ensure it does not affect water chemistry. [1]
Codium fragile, known commonly as green sea fingers, dead man's fingers, felty fingers, [1] forked felt-alga, stag seaweed, [2] sponge seaweed, [3] green sponge, [4] green fleece, [5] sea staghorn, [6] and oyster thief, [7] is a species of seaweed in the family Codiaceae.