Where to buy slaked lime (kalkwasser)

Welcome to the forum. :)

That link scared the bejizzles out of me, I don't think I'll ever use kalk again. :029:

Hello Viper

Why do you say that? Did you had bad experience in the past with this stuff?
 
Hi Guys, I've a BOYU TL55, topless with a 150W MH over and have quite a bit of evaporation, I want to top up with Kalk,

Question??? Gonna use a 500ml bottle to drip (DIY) so exactly how much should I add to the 500ml RO water ?
 
hi guys. my question is using he pharmacy slack lime. with normal kalkwasser we add 1 teaspoon to 1lt of ro. would it be the same using the slack lime ????
 
Anybody used Pinnacle Slacked Lime BP? This is the brand they have at Wynberg Pharmacy
 
hi guys. my question is using he pharmacy slack lime. with normal kalkwasser we add 1 teaspoon to 1lt of ro. would it be the same using the slack lime ????

Yes, it's the same stuff - well, being BP grade, perhaps a bit purer than the expensive LFS bought product...

Hi Guys, I've a BOYU TL55, topless with a 150W MH over and have quite a bit of evaporation, I want to top up with Kalk,

Topping up with lime water is good - just make SURE that you won't accidentally dump a large volume into the tank.

Question??? Gonna use a 500ml bottle to drip (DIY) so exactly how much should I add to the 500ml RO water ?

Limewater is not very soluble, and the usual recommendation is to add half a teaspoon of slaked lime per liter of RO water. It would make no difference if you added one, two or even ten teaspoons per liter, except that you would be wasting money (adding less than half a teaspoon per liter would obviously result in the lime water not being saturated, which would thus add less alkalinity and calcium...). Once the water above the lime sludge has cleared, it will still only contain approximately 0.0204 moles per liter CaCO3 equivalent. So, just mix half a teaspoon per liter, let the mixed water stand until it clears (a few hours), and then carefully pour off the clear water into your dripper.

Hennie
 
Sorry .... Firstly ..... Noobs not to follow this route ..... its just a question NOT a suggestion .... Is there any member out here NOT dosing kalk to their tank with no ill effects?
 
Yes, it's the same stuff - well, being BP grade, perhaps a bit purer than the expensive LFS bought product...



Topping up with lime water is good - just make SURE that you won't accidentally dump a large volume into the tank.



Limewater is not very soluble, and the usual recommendation is to add half a teaspoon of slaked lime per liter of RO water. It would make no difference if you added one, two or even ten teaspoons per liter, except that you would be wasting money (adding less than half a teaspoon per liter would obviously result in the lime water not being saturated, which would thus add less alkalinity and calcium...). Once the water above the lime sludge has cleared, it will still only contain approximately 0.0204 moles per liter CaCO3 equivalent. So, just mix half a teaspoon per liter, let the mixed water stand until it clears (a few hours), and then carefully pour off the clear water into your dripper.

Hennie

Thanks a stack Hennie !
 
Hi all, anyone know where I can buy slaked lime in fourways?
I tried dischem and came up short yesterday
 
Bump an old thread. Anyone know where in Durban or Online where I can get this cheap
 
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