Handy conversions for Nano tanks

The number of times I forget how US gallons translate into litres or dosages of things. So I’m noting it here.

1 US gallon = 3.78 Litres or

1 Litre is 0.26 US gallons.


Popular UK Nano tank sizes:

10 Litre =  2.64 US gal = 2.19 Imperial gal

20 Litre = 5.28 US gal = 4.30 Imperial gal

25 Litre = 6.6 US gal = 5.49 Imperial gal

30 Litre = 7.92 US gal = 6.59 Imperial gal


For my 30 L tank …. (20 L of water to treat)

* remember, dosages are for the WATER volume – not tank volume so it’s bit of a guess as to how much room all the wood/plants and substrate take up. Also I have an external filter and cooler which will hold an amount of water. I’m going for 20 litres.

Fenbendazole – 0.1 g per 10 US gallon, 0.1g per 37.8 Litres of tank water (10 US gallons), 0.05 g per 20 Litre

[ 0.1 / 37.8 ] x 20 to treat for worms  / planar / hydra

Malefix by API = 5ml per 10 US gallon, 2.6 ml per 20 Litre of tank water,

[ 5 / 37.8 ] x 20 = 2.6 ml for  antibacterial, fungus and cracks.

Paraguard by Seachem = 5ml per 40 L,

[5 / 40 ] x 20 = 2.5 ml per 20 L of water to treat external fungus/bacteria and viruses

1ppm = 1mg /litre


 

Water Hardness Degrees and PPM

The concentration of calcium and magnesium and other ions in the water. Measured in degrees. 1 degree = 17.9mg/l

The symbol for degrees hardness is dH

4-8 dH = very soft water

12-18 dH = fairly hard water.

  • In parts per million (ppm) this is:

4ppm = 4 mg/l  =  4 ml/l

20 degrees =  20×17.9 = 358 ppm

6 degrees = 6×17.9 = 107.4 ppm


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