noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
biological
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Without oxygen Biological filtration ceases leading to increase in Ammonia/Nitrite levels.
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The next chamber or chambers generally hold the main media, aimed at biological filtration .
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Foam media is also supplied in some units as the main source of biological filtration .
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Not only can it be introduced by contaminated water changes but it is also self-generated as part of the biological filtration cycle.
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It passes through a sponge where mechanical and biological filtration takes place, and is then passed back on to the water.
glomerular
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This caution can not be overstated in light of the decreased glomerular filtration often present in chronic liver failure.
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The fractional excretion of magnesium rises as glomerular filtration rate falls.
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Changes in glomerular filtration rate and filtered load of sodium are regularly and continuously paralleled by comparable alterations in tubular fluid reabsorption.
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Patients with impaired glomerular filtration rate are particularly susceptible to hypermagnesemia when given a magnesium load.
■ NOUN
rate
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Glomerular filtration rate did not vary.
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When caffeine blocks these receptors, blood vessels dilate, increasing the filtration rate and producing more urine.
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The fractional excretion of magnesium rises as glomerular filtration rate falls.
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Changes in glomerular filtration rate and filtered load of sodium are regularly and continuously paralleled by comparable alterations in tubular fluid reabsorption.
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Patients with impaired glomerular filtration rate are particularly susceptible to hypermagnesemia when given a magnesium load.
system
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Ammonia is the toxic waste produced by the fish and this is initially bacterially broken down to nitrite in your filtration system .
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Something about a reverse osmosis filtration system , which is too tricky to explain now.
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Often, a filtration system that is not up to the job, or overstocking, or both.
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It also makes filtration systems for homes and offices.
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Consider adding a filtration system to your pond.
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Aquarium filtration systems based on organic filters also have problems because toxins build up in the water, Fahs said.
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Some of the filtration systems are just as outdated and ready for modification.
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The filtration system is relatively simple, Sanders said.
undergravel
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U Undergravel filtration uses the gravel as filter medium.
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It has undergravel filtration run by two powerheads, with a protein skimmer.
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An under-layer of cheaper gravel can provide the depth required for terracing, planting, or undergravel filtration .
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The rock mixture is 80% tufa rock and 20 percent living rock. Undergravel filtration is powered by two Aquaclear 402 powerheads.
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Power filters are generally more efficient and versatile than simple undergravel filtration .
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Would reverse flow undergravel filtration be better?
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Also, would you recommend traditional or reverse-flow undergravel filtration for a mixed set-up?
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I prefer reverse-flow undergravel filtration and an Eheim 2215 would suit your purposes quite well.
■ VERB
use
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Once your water is soft it is easily acidified using peat filtration .
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I use undergravel and external filtration , and a protein skimmer.
EXAMPLES FROM OTHER ENTRIES
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a water filtration system
EXAMPLES FROM CORPUS
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Aquarium filtration systems based on organic filters also have problems because toxins build up in the water, Fahs said.
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They appreciate an area of water current, and power filtration may be internal or external.
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What filtration would be suitable, if undergravel would affect the plants?
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When caffeine blocks these receptors, blood vessels dilate, increasing the filtration rate and producing more urine.
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Will I sacrifice water quality by reducing filtration ?
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Your first question should be: Why is filtration necessary in the fish tank?