_ AQUARIUM MANAGEMENT 19 



which usually die before being rescued. The only way to get rid of 

 this is to take up all plants, go over each carefully and see that no 

 single thread of the conferva is left. If the smallest bit remains the 

 growth will soon be as bad as ever. 



Cleaning the Glass. When the aquarium glass has become green 

 or dirty, it may be quickly cleaned by scraping with a safety razor 

 blade. A thorough cleaning of the empty aquarium is accomplished 

 by rubbing with either whiting or table salt on a moist cloth. Sand 

 should not be used. It causes minute scratches, which are unsightly 

 and may lead to the breaking of the glass. 



Coal Gas. Water absorbs most gases and fumes readily. This 

 includes coal gas, which is so injurious to all life, plant and animal. 

 Many homes are cursed with the presence of this gas at night, to the 

 detriment of every inhabitant in the house, especially the fish. A way 

 should be found to correct the condition, but if this is not at once prac- 

 ticable, cover the aquarium tightly with glass during the hours of 

 exposure to the poisonous influence. The same precaution should be 

 taken when the air is heavily laden with tobacco smoke. 



Hints to Beginners. The author would draw special attention to 

 what follows under this heading. It is founded on wide observation, 

 and if followed will prevent much loss and disappointment for those 

 going in for fancy goldfishes. 



In starting with fancy breeds go to a reliable dealer or breeder, 

 preferably in September or October, purchasing fish of the spring 

 hatching. The style of fish to select is a matter of personal taste, 

 but do not pick undersized fishes by any inducement of price or word, 

 especially on explanation of their being "a late hatch." The bodies, 

 exclusive of tails, should at this time be at least lyi inches long. 

 Two inches or more is better. Be willing to pay the price for robust 

 fishes. The runts are dear at any price. 



If it is not convenient to purchase in autumn, make it a rule not 

 to get fishes over one year old. Buying spawn in the spring is an 

 interesting way to start. 



Unless desirous of making a flashy show in an aquarium at once, 

 it is very bad policy to purchase fully developed lishes with long fins. 

 These have usually reached their zenith and are ready to "go back." 

 The change of aquarium is enough to start them on the down grade. 

 Good young stock will develop the fins later and will be more likely 

 to "stay with you." None except advanced fanciers who know what 

 they are about should purchase the older stock and ihcy seldom do. 



