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How environmentally-friendly are soda crystals?

(12 Posts)
Pruni Thu 07-Apr-05 19:29:51

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Whizzz Thu 07-Apr-05 19:33:50

Are you talking about caustic soda ? If so its sodium hydroxide & is an alkali (rather than an acid). How toxic it is depends up on its concentration. Even a week solution would be an irritant though. Do you mean toxic if you swallow some or toxic to the environment though

morningpaper Thu 07-Apr-05 19:36:21

From http://www.soda-crystals.co.uk/: (believe it or not!)

Soda Crystals - a brief history
Soda Crystals have been used around the home, by farmers and in commerce and industry for over 150 years. Soda Crystals are extremely versatile and are relatively inexpensive. One of the reasons Soda Crystals have remained so popular is that, unlike many modern cleaners and detergents, Soda Crystals contain no phosphates, enzymes or bleach.

One Product - Many Uses
Soda Crystals are alkaline. The main uses of Soda Crystals are to dissolve grease, soften water, loosen dirt and reduce acidity. Soda Crystals, along with soap and Soap Flakes, were virtually the only domestic cleaners at the turn of the twentieth century. They were used for cleaning and laundry and can even be used in cooking. Still available in free-flowing crystal variety, Soda Crystals are now also available as a liquid version - ideal as a surface cleaner, a trigger spray version and for commercial use in an anti-bacterial formula.

Soda Crystals are very effective but are also gentle. However, if you are submerging your hands in a soda crystal solution for a long time, it is advisable to wear rubber gloves - especially if you have sensitive skin.

Pruni Thu 07-Apr-05 19:38:15

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Pruni Thu 07-Apr-05 19:39:31

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Whizzz Thu 07-Apr-05 19:40:43

Oops - Sodium Carbonate not hydroxide. Not quite as alkali then - but still an irritant. Don't leave it on your skin too long & wash off thoroughly with lots of water.

morningpaper Thu 07-Apr-05 19:41:23

I probably wouldn't put it straight in the fishbowl...

Whizzz Thu 07-Apr-05 19:45:51

Heres your fish data
** SECTION 12 - ECOLOGICAL INFORMATION **
Ecotoxicity:
Fish: Bluegill/Sunfish: LC50 = 320 mg/L; 96 Hr.; Static Conditions

Now don't ask me what that means - not classed as harmful to environment though

Whizzz Thu 07-Apr-05 19:46:46

No I do know what it means - means that that quantity kills half those fish

happymerryberries Thu 07-Apr-05 19:48:03

It means that the dose that will kill 50 out of 100 bluegill or sunfish is 320 milligrams in a litre....just out of interest

So don't put that amount in with your bluegills!

Pruni Thu 07-Apr-05 22:48:33

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Pruni Thu 07-Apr-05 22:49:16

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