Example sentences of "water [noun] " in BNC.

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1 Among water groups look for good figures from Yorkshire Water , up 17% to £75m helped by a one-off asset sale .
2 If the biochemical change is the consequence simply of the experience of tasting the bead , then the level of fucose incorporation in E should be the same as that in D and F , and higher than in all the water groups A — C. If , however , the increased incorporation is associated with memory , then E should be equivalent to B and lower than either D or F. We needed , of course , to repeat the experiment with enough birds — eventually , a dozen in each group — to be sure of the results — but when we analysed the data , they were unequivocal , and I ca n't resist showing them in Figure 10.8 .
3 Good filtration is required , and a 25% weekly water change is very wise .
4 This leads to an increase in ammonia and nitrite levels for a short time ; but this can be reduced by using two smaller-than-normal filters and washing them ( in water change tank water ) at alternative two weekly intervals maintaining one at full capacity at all times .
5 Partial water changes will be sufficient — about 15% of the tank 's volume every fortnight , provided a larger water change of about 30% is carried out on a monthly basis .
6 Conduct 8 pint ‘ water change ’ on self , topping up with ‘ Old and Cloudy ’ and filtering out excreta at regular intervals .
7 Every week I carry out a 10-gallon water change and two gravel cleans .
8 This easily cured by a water change , which should be regular .
9 A quick partial water change will often effect an improvement in a matter of hours .
10 • The first , and simplest method , is the regular water change with nitrate-free water .
11 Water is drawn through a sponge — which is easily cleaned by washing in tank water at each water change ( not cold , chlorinated , tap ) .
12 At the same time try to make a water change before going on a trip , using the water removed in the bucket — this helps to begin the process of acclimatisation before the fish is actually in its new home .
13 The tank has a 250 gallon capacity , and needs a water change of 50 gallons every month .
14 Above and right : Paul 's tank requires a water change of 50 gallons a month .
15 I am experiencing problems with a green filamentous algae ( some of the filaments are 2–3″ in length ) which I have to remove each week when I do a 10% water change .
16 Next time I was doing a partial water change , I decided to investigate further , and took the piece of coral , complete with mushroom polyps , out of the tank , and working quickly to avoid damaging the polyps , cracked it in half with a cold chisel .
17 I did a 50% water change and phoned the manufacturer who told me to keep an eye on things .
18 Due to the large farming industry in his area , nitrates are high , so a nitrate filter has been incorporated , based on the DIY model made by Nick Dakin in PFK May ‘ 91 , and Jay uses a Nitragon when he carries out a water change .
19 It died suddenly in the morning after a careful partial water change .
20 It is little use allowing conditions to deteriorate for three months and then to conduct a total clean-out of the filter and a 100% water change .
21 Syphon out any excess as a partial water change , before restarting the filter .
22 The maintenance carried out on the aquarium was a regular 10% water change and a regular ( every two weeks ) larger water change of 20% using an aquarium gravel cleaner to rid the gravel of unwanted waste .
23 The maintenance carried out on the aquarium was a regular 10% water change and a regular ( every two weeks ) larger water change of 20% using an aquarium gravel cleaner to rid the gravel of unwanted waste .
24 In originally filling our tank , and every time we make a water change — which is a vital part of the filtration process — we could add substances that are potentially lethal to our fish .
25 This is easily cured by a water change .
26 If a further trigger is required , do a large water change ( 40 per cent ) and top up with cold , simulating the rainy season .
27 They are recommended mainly for setting up new aquaria , and for every water change .
28 They were fed on a diet of live baby brine shrimp and grindal worm twice a day and a large partial water change was done each week .
29 Because this new pond is interconnected with the main one , adding the water was like doing a major water change .
30 Once a week a partial water change is carried out — with care not to remove any fry .
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