Small/Mini Sponge Filter for Betta Fish Tank Mechanical Biological Filtration...

Description

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Well designed sponge filter with excellent filtration capacity for small aquariums and plastic cases. Requires air pump and hose to operate (not included). Can be used with sponge lowered down "L style" or up "U style". The design and quality of all plastic components and connectors is exceptional. When installing, squeeze the sponge in tank water to remove the air inside.
Dimensions:
Width 3 1/2 x Depth 2 x Height 4 3/4 inch. It can not be used in aquariums with a height of less than 5 inch.
Sponge filters provide economical method of filtration when used with an air pump, and thus filter and oxygenate tank water. They provide mechanical (particle filtration) and biological filtration.
S
ophisticated and high quality filters are often neglected and not cleaned due to time consuming cleaning process. Sponge filters are the quickest to clean. Two, three gentle squeezes in a cup of aquarium water and done! There is no need for thorough sponge cleaning. Gentle sponge cleaning will preserve th
e
b
iofilm
(beneficial bacteria).
W
ith time, the sponge will lose its elasticity. Replace it with a spare one. It is recommended to increase the amount and/or frequency o
f water changes when a new sponge is placed on the filter.
Biological filtration
occurs when
ae
robic (oxygen loving) beneficial bacteria will colonize sponge surface and convert highly toxi
c
a
mmoni
a
(
fish dirt) int
o
n
itrite
s
(
also toxic to all aquarium inhabitants), and the
n
n
itrite
s
converted int
o
n
itrate
s
(
common plant fertilizer), which is the least toxic and better tolerated by living organisms.
N
itrate
s
a
re further removed with weekly water changes and partially removed with the help of aquarium plants. Anaerobic bacteria (oxygen intolerant), are another group of beneficial bacteria that will convert
n
itrate
s
i
nto harmle
s
s
n
itrogen gas
, which will naturally dissipate from the water column. This last stage, converting nitrates into nitrogen gas, is much harder to achieve and is a slow process. That's why weekly water changes are important.
Made in Japan and ships from USA.
No Charge for Returns or Return Shipping.