salt and plants - The Planted Tank Forum
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post #1 of 6 (permalink) Old 02-01-2003, 01:02 AM Thread Starter
Algae Grower
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would adding 2 tablespoons of aquarium salt per 10 gallons affect plants or their ability to take in nutrients?
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post #2 of 6 (permalink) Old 02-01-2003, 01:33 AM
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Originally posted by bobjiggason
would adding 2 tablespoons of aquarium salt per 10 gallons affect plants or their ability to take in nutrients?
Yes ,most plants do not like salt very much , it inhibits thier ability to use pottassium and other nutrients efficiently.


75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
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post #3 of 6 (permalink) Old 02-01-2003, 06:41 PM
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Agreed, one time I added salt to my 12 gallon tank to treat ich and it was horrible. My amazon sword shed all its leaves except 2 in 24 hours...


Tank in transition! 55 gallons, hard water.
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post #4 of 6 (permalink) Old 02-03-2003, 01:59 PM
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Try adding Potassium Chloride instead of Sodium Chloride to help the osmotic balance your fish might require. I'm assuming you're wanting to add table salt to help with osmotic balance for fish such as Mollies, Glass Fish, etc?
KCl will also be useable by your plants as a potassium source. You can find it in the grocery section as a salt subsitute or as Water Softener at your local home improvement store.

- Sam P -
plantedtanker in limbo - all tanks currently in storage
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post #5 of 6 (permalink) Old 02-06-2003, 02:00 PM
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Sam - do you know if aquarium salt is Potassium or sodium chloride? I can look when I get home, if it's marked on the container. I added some salt to the 55g when I was having problems. Not much though.


55 g ~ 404 Fluval Canister ~ 110w 6400k photoperiod 8 hours at the end of the day
10 g quaratine/hospital
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post #6 of 6 (permalink) Old 02-06-2003, 06:11 PM
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Aquarium Salt is Sodium Chloride. As Sam noted it is the Chloride that is beneficial to fish both for Osmotic balance and to offer protection against nitrites. Potassium Chloride is much preferred over Sodium Chloride. Incidently, you are currently adding chloride with each water change if you have chlorine in your water supply and you use a water conditioner. The main active ingredient in chlorine removers is sodium thiosulphate which locks chlorine into the harmless chloride salt.
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