AQUARIUM MANAGEMENT 23 



There is a very long, hard conferva about the thickness of horse- 

 hair which grows into matted masses. This is quite a pest when once 

 established, as it soon fills the aquarium and enmeshes young fish, 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. 



A blue-green, rather smelly alga often over-runs aquaria containing 

 tropical fishes. Goldfishes are very fond of this and they will soon clear 

 it out if given the opportunity. Snails will not eat it. We are often 

 asked how the glass of tropical aquaria can be kept clean. The only 

 answer we know is, clean it by hand and then subdue the light a little. 



Cleaning the Glass. When the aquarium glass has become green 

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

 Handy holders for these can be had cheaply in hardware and chain stores. 

 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. 



A chore ball of woven copper, such as used in kitchens, is most 

 excellent for cleaning either straight or curved sides of aquaria. 



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

 cludes 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 practicable, 

 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 laden with tobacco smoke, fresh paint, varnish or shellac. 



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 hatch- 

 ing. 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 lj4 inches long. Two inches or 

 more is better. Be willing to pay the charge for robust goldfishes. The 

 runts are dear at any price. 



