Tropical Fish Tank setup help

letssetup

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Hello everyone.

I have a 100L tank 12" W, 18" L and 15" that I'm going to be setting up for tropical fish, however I have only had goldfish prior so need advice please.

I've been looking into what fish I should keep and I'm undecided by Zebra, Leopard danio or Ram cichlid. Due to the small size of my tank, I want a smaller fish so I can have a decent amount inside.

I have a All Pond Solutions 200IF Internal Aquarium Filter.

I was thinking of getting this heater - Aquarium Heater Submersible Fish Tank Heater with External LED Digital Temperature Controller, Tropical Fish
Tank Heater with Explosion Proof Quartz Glass 300W, up to 300L.

Im also not sure if to get sand or gravel? Also how much would I need?


Thank you for any help.
 

Salty&Onion

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What is your pH, GH and KH?
These are the most important figures when choosing a tank.
Danios need a longer tank than you are offering since they are quite an active fish and rams need higher temperatures, depending on type, and soft water.
 
OP
L

letssetup

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Go on your water provider's page and put in your post code in and write the results here :)

For most analysis, results are from samples taken at random in the water quality zone of your area. In some cases, results are from samples taken from water treatment supply points feeding the zone.
Hardness Results
Hardness Level
ValueModerately Hard
StandardNo standard applies
UK/EU Limit
Hardness Clark
Value11.57
StandardNo standard applies
UK/EU LimitDegrees Clark
Hardness German
Value9.26
StandardNo standard applies
UK/EU LimitGerman Degrees
Hardness French
Value16.54
StandardNo standard applies
UK/EU LimitFrench Degrees
For most analysis, results are from samples taken at random in the water quality zone of your area. In some cases, results are from samples taken from water treatment supply points feeding the zone.
Data is for period 01-April-2019 to 31-March-2020
Water Quality Summary Report
1,2-Dichloroethane
Average<0.14
Maximum<0.30
Minimum<0.09
UK/EU Limit3
Unitsµg/l
Number of Results43
Samples above PCV Limit0
Aldrin
Average<0.001
Maximum<0.003
Minimum<0.001
UK/EU Limit0.03
Unitsµg/l
Number of Results36
Samples above PCV Limit0
Aluminium
Average<9
Maximum22
Minimum<5
UK/EU Limit200
Unitsµg/l
Number of Results23
Samples above PCV Limit0
Ammonium
Average<0.027
Maximum<0.064
Minimum<0.015
UK/EU Limit0.5
Unitsmg/l
Number of Results23
Samples above PCV Limit0
Antimony
Average0.29
Maximum0.59
Minimum0.06
UK/EU Limit5
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Arsenic
Average<0.11
Maximum0.15
Minimum<0.09
UK/EU Limit10
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Benzene
Average<0.06
Maximum<0.12
Minimum<0.04
UK/EU Limit1
Unitsµg/l
Number of Results43
Samples above PCV Limit0
Benzo-3,4-Pyrene
Average<0.001
Maximum<0.001
Minimum<0.001
UK/EU Limit0.01
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Boron
Average<0.023
Maximum0.043
Minimum<0.012
UK/EU Limit1
Unitsmg/l
Number of Results44
Samples above PCV Limit0
Bromate
Average0.93
Maximum1.44
Minimum0.61
UK/EU Limit10
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Cadmium
Average0.18
Maximum0.41
Minimum0.09
UK/EU Limit5
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Chloride
Average22.09
Maximum73.10
Minimum9.40
UK/EU Limit250
Unitsmg/l
Number of Results44
Samples above PCV Limit0
Chromium
Average<0.2
Maximum0.3
Minimum<0.2
UK/EU Limit50
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Clostridium perfringens
Average0
Maximum0
Minimum0
UK/EU Limit0
UnitsNo. / 100ml
Number of Results23
Samples above PCV Limit0
Coliform Bacteria
Average0
Maximum0
Minimum0
UK/EU Limit0
UnitsNo. / 100ml
Number of Results56
Samples above PCV Limit0
Colony Count After 72 Hours at 22ºC
Average0
Maximum5
Minimum0
UK/EU LimitNo abnormal change
UnitsNo. / 100ml
Number of Results23
Samples above PCV Limit0
Colour
Average<1.17
Maximum2.20
Minimum<0.44
UK/EU Limit20
Unitsmg/l Pt/Co
Number of Results23
Samples above PCV Limit0
Conductivity
Average420
Maximum626
Minimum222
UK/EU Limit2500
UnitsµS/cm at 20ºC
Number of Results23
Samples above PCV Limit0
Copper
Average0.0370
Maximum0.1328
Minimum0.0033
UK/EU Limit2
Unitsmg/l
Number of Results8
Samples above PCV Limit0
Cyanide
Average<2
Maximum<4
Minimum<2
UK/EU Limit50
Unitsµg/l
Number of Results43
Samples above PCV Limit0
Dieldrin
Average<0.004
Maximum<0.008
Minimum<0.003
UK/EU Limit0.03
Unitsµg/l
Number of Results36
Samples above PCV Limit0
E. coli
Average0
Maximum0
Minimum0
UK/EU Limit0
UnitsNo. / 100ml
Number of Results56
Samples above PCV Limit0
Enterococci
Average0
Maximum0
Minimum0
UK/EU Limit0
UnitsNo. / 100ml
Number of Results8
Samples above PCV Limit0
Fluoride
Average0.32
Maximum0.43
Minimum0.19
UK/EU Limit1.5
Unitsmg/l
Number of Results8
Samples above PCV Limit0
Free Chlorine
Average0.35
Maximum0.60
Minimum0.14
UK/EU LimitNo abnormal change
Unitsmg/l
Number of Results56
Samples above PCV Limit0
Heptachlor
Average<0.001
Maximum<0.003
Minimum<0.001
UK/EU Limit0.03
Unitsµg/l
Number of Results36
Samples above PCV Limit0
Heptachlor epoxide
Average0.000
Maximum0.000
Minimum0.000
UK/EU Limit0.03
Unitsµg/l
Number of Results36
Samples above PCV Limit0
Iron
Average<13
Maximum39
Minimum<3
UK/EU Limit200
Unitsµg/l
Number of Results23
Samples above PCV Limit0
Lead
Average<2.4
Maximum9.2
Minimum<0.3
UK/EU Limit10
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Manganese
Average<1.0
Maximum3.0
Minimum<0.2
UK/EU Limit50
Unitsµg/l
Number of Results23
Samples above PCV Limit0
Mercury
Average<0.008
Maximum0.024
Minimum<0.005
UK/EU Limit1
Unitsµg/l
Number of Results44
Samples above PCV Limit0
Nickel
Average3.5
Maximum4.8
Minimum2.0
UK/EU Limit20
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Nitrate
Average11.44
Maximum15.69
Minimum6.00
UK/EU Limit50
Unitsmg/l
Number of Results8
Samples above PCV Limit0
Nitrite
Average<0.005
Maximum<0.006
Minimum<0.003
UK/EU Limit0.5
Unitsmg/l
Number of Results8
Samples above PCV Limit0
Nitrite - Nitrate Calculated
Average0.23
Maximum0.31
Minimum0.12
UK/EU Limit<1
Units-
Number of Results8
Samples above PCV Limit0
Odour
Average0
Maximum0
Minimum0
UK/EU LimitAcceptable to Customer and no abnormal change
UnitsDilution Number
Number of Results23
Samples above PCV Limit0
PAH
Average0.00
Maximum0.00
Minimum0.00
UK/EU Limit0.1
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Pesticides Other
Average<0.006
Maximum0.034
Minimum<0.001
UK/EU Limit0.1
Unitsµg/l
Number of Results2227
Samples above PCV Limit0
pH
Average7.58
Maximum7.88
Minimum7.34
UK/EU LimitMin 6.5, Max 9.5
UnitspH value
Number of Results23
Samples above PCV Limit0
Selenium
Average0.81
Maximum1.99
Minimum0.44
UK/EU Limit10
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Sodium
Average31.0
Maximum49.7
Minimum9.7
UK/EU Limit200
Unitsmg/l
Number of Results8
Samples above PCV Limit0
Sulphate
Average55
Maximum112
Minimum29
UK/EU Limit250
Unitsmg/l
Number of Results44
Samples above PCV Limit0
Taste
Average0
Maximum0
Minimum0
UK/EU LimitAcceptable to Customer and no abnormal change
UnitsDilution Number
Number of Results23
Samples above PCV Limit0
Tetrachloroethene and Trichloroethene
Average0.00
Maximum0.00
Minimum0.00
UK/EU Limit10
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Tetrachloromethane
Average<0.09
Maximum<0.19
Minimum<0.06
UK/EU Limit3
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Total Organic Carbon
Average<1.0
Maximum1.7
Minimum<0.4
UK/EU LimitNo abnormal change
Unitsmg/l
Number of Results44
Samples above PCV Limit0
Total Pesticides
Average0.011
Maximum0.141
Minimum0.000
UK/EU Limit0.5
Unitsµg/l
Number of Results36
Samples above PCV Limit0
Total Trihalomethanes
Average42.69
Maximum75.17
Minimum20.04
UK/EU Limit100
Unitsµg/l
Number of Results8
Samples above PCV Limit0
Turbidity
Average<0.12
Maximum0.24
Minimum<0.06
UK/EU Limit4
UnitsNTU
Number of Results23
Samples above PCV Limit0
 

PheonixKingZ

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Agreed. Most Corydoras species can handle moderately hard water. What species were you think specifically?
 

Byron

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I heard, maybe misunderstood, that it is best not to mix cories....

@Byron a little help here :unsure:
There is no problem combining species of Corydoras, with a few exceptions.

The larger species which taxonomically are now in the genus Scleromystax (S. barbatus is the type species, and used to be in the Corydoras genus so it may still be seen as C. barbatus) should not be housed with other species. Males can be a bit rough, though not having teeth this is not usually a problem, but these species are best maintained in groups of their own; dominant fish can cause stress without having to engage in physical bullying..

The three dwarf species also tend not to do that well mixed in with other larger species. It is not a case of any bullying or physical issues; it is more that the fish are so small they tend to get lost in large tanks with large fish. Corydoras pygmaeus, C. habrosus and C. hastatus are best maintained in smaller rather than larger tanks, and with similar nano-type fish, though there is considerable adaptability here. Nothing is cut and dried, we can best deal in generalities.

The remaining species, which is by far most of the 160-some species described to date, can be housed together. However, it is best, if possible, to provide a small group of each species, even if only three or four, when you intend groups of two or more species. However, here again it is not cut and dried; I have some 40+ cories in my 40g, representing 12 species, some have 6 or 7, some one, two or three, for varying reasons. They all chum around together across species, and even go through pre-spawning behaviours across species. Which brings up the only real issue with mixing species: hybridization. Do not release fry of hybrid species into the hobby; the gene pool of a species should be kept pure. This is becoming much more crucial these days with disappearing natural habitats and species extinction.

The tank in this thread is quite small, and I would suggest the dwarf species are best suited. However, a group of medium-sized species is not out of the question. Depends upon other upper fish and such.
 
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