2 dosage

2. 1 clear pond

Dosage is 200 × 10-6, dry Chi Qingtang or pond of the Qing Dynasty that carry water (20cm is deep) , because the bases of formalin is formaldehyde, and formaldehyde is a kind of material that volatilizes easily, because this is right,pool bottom does not have incomplete noxiousness. Will consider around managing cost, the 2 oxidation with higher price of choice formalin excel are chloric.

2. 2 dip are washed

Wash 3 hours with dip of 100 × 10-6 commonly, dip of 250 × 10-6 washs 1 hour, medicable the fish verminosis that protozoan of etc of 3 acting bug causes; Dip of solution of 30 × 10-6 washs 24 hours to be able to kill bug of bug of cup of wheel bug, tongue, ring and small melon bug to wait. Actual application is aimed at different object, use different chroma and time. The mustache Nian that if use dip of solution of formalin of pH indicator of 30 × 10-6 to wash,contracts disease of 3 acting bug wants 30 minutes only; With 3%~5% solution, dip is washed lay eggs piscine mew needs 2~3 only minute, can prevent water mildew; Bug of nucleus of exciting to large yellow croaker concealed is ill (white spot is ill) , 15~20 of bath of dip of formalin of 60 × 10-6 minute; Aquatic animals box is used, high concentration limits is in 150 × 10-6~500 × 10-6, undertake dipping is treated, time control is in 30~60 minute for one period of treatment, daily need carries out 2~3 second, disappear till the symptom till; Briny breed aquatics disinfects medicaments to had better be formalin, can prevent and cure body watch canker reachs a variety of verminosis, it is respectively with dosage and alexipharmic time: Formalin chroma 300 × of ～ of 100 × 10-6 10-6, disinfect time 5 ～ 30 minutes; The disinfection of makings fish entices in be being used at mandarin fish fish to breed, formalin of 10-6 of 60 × 10-6~100 × chooses to expect to bait piscine dip washs disinfection before casting fish of the makings that feed bait, dip washs time with 10~30 minute advisable.

2. 3 douse

Disease of bug of cure fish small melon mixes commonly used Yukezhi terrapin fungus is venereal as venereal as the bacterium complication. To fish douse chroma 10-6 of × of 20 × 10-6~30, to terrapin kind 10-6 of × of 30 × 10-6~50. Bug of nucleus of exciting to large yellow croaker concealed is ill (white spot is ill) , earthy pool is douse of total pool of 10-6 of × of 20 × 10-6~30; Aquatic animals box is used, average concentration is in 10-6 of × of 15 × 10-6~25, can count a day continuously. When aquatic be in a bad way or to disease of a few difficulty, can use douse of total pool of formalin and alkalescent green mixture appropriately, when necessary but douse of as blue as methylene mixture, if be aimed at the blaze of turtle and white spot complication to use this kind of mixture, after because formalin and methylene are blue,matching mixture, formaldehyde will be adsorptive dye, noxiousness increases, the effect is good, side effect is big also, because this needs to master control chroma and time correctly, take the step that change water at any time. To fish, excessive is used case counteractive, chroma of 150 × 10-6 is controlled in 5 hours, fish can appear death, toxic fish style quality becomes weak.
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