Can I add Dwarf Gouramis and mollies to my tank?

[FishyFish888]

I have a 25gal tank with a pleco and 6 neon tetras. I was wondering if I could get 8 mollies and 2 dwarf gouramis to add to my tank? If so, how long between adding them should I wait so I don't upset the tank with too many new fish at a time? Thanks

 

[Colin_T]

Can I add Dwarf Gouramis and mollies to my tank?
No. They require different water chemistry.

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What is the GH (general hardness), KH (carbonate hardness) and pH of your water supply?
This information can usually be obtained from your water supply company's website or by telephoning them. If they can't help you, take a glass full of tap water to the local pet shop and get them to test it for you. Write the results down (in numbers) when they do the tests. And ask them what the results are in (eg: ppm, dGH, or something else).

Depending on what the GH of your water is, will determine what fish you should keep.
Tetras, barbs, gouramis, rasbora, Corydoras and small species of suckermouth catfish all occur in soft water (GH below 150ppm).

Livebearers (guppies, platies, swordtails, mollies) occur in medium hard water with a GH around 200-250ppm.

If you have very hard water (GH above 300ppm) then look at African Rift Lake cichlids or use distilled or reverse osmosis water to reduce the GH and keep fishes from softer water.

 

[FishyFish888]

Can I add Dwarf Gouramis and mollies to my tank?
No. They require different water chemistry.

-------------------
What is the GH (general hardness), KH (carbonate hardness) and pH of your water supply?
This information can usually be obtained from your water supply company's website or by telephoning them. If they can't help you, take a glass full of tap water to the local pet shop and get them to test it for you. Write the results down (in numbers) when they do the tests. And ask them what the results are in (eg: ppm, dGH, or something else).

Depending on what the GH of your water is, will determine what fish you should keep.
Tetras, barbs, gouramis, rasbora, Corydoras and small species of suckermouth catfish all occur in soft water (GH below 150ppm).

Livebearers (guppies, platies, swordtails, mollies) occur in medium hard water with a GH around 200-250ppm.

If you have very hard water (GH above 300ppm) then look at African Rift Lake cichlids or use distilled or reverse osmosis water to reduce the GH and keep fishes from softer water.

Thanks. I can't find the exact numbers, but apparently we have 'soft' water, and since I've had my tetras for a year and a half now and they've been thriving I think that I might just stick with getting the Gouramis.