kalkwasser Info needed

kalkwasser will add calcium and alkalinity, which in turn will raise and maintain ph. I use ms. wages pickling lime ($2.69 at local kroger), i mix it up in my top off water, it raises the ph to about 8.4. Its usually about 8.0 first thing in the morning. But the amount lime I use will be different than what you will need. My calcium levels stay high without adding much supplementation.

This might help also: http://www.reefcentral.com/FAQ/general/index.php
 
Re: kalkwasser Info needed

<a href=showthread.php?s=&postid=9504962#post9504962 target=_blank>Originally posted</a> by loves saltwater
Is it needed for a reef tank

Yes and No. Don't you just love answers like that.

let me ask you a question.... How are you keeping your calcium and alkalinity up?

Kalkwasser is Lime (Calcium Hydroxide) also called limewater or kalk. This is the ONLY additive I add to my tank except for RO/DI water (been doing it for 5 years). It keeps my calcium, alkalinity and pH up. It has been suggested that it reduces phosphates. I don’t know if it does do that, but my phosphates are undetectable with my Salifert test kit. Works for me.

Here are some great articles by Randy Holmes-Farley.
What Your Grandmother Never Told You About Lime

Calcium and Alkalinity

Reef Aquarium and Water Parameters


Another great thing about Kalkwasser/kalk/lime is that it’s cheap(~$3.85 for 16 oz.). I buy Mrs Wages Pickling Lime at Wal-Mart. I think I use 16 oz in about two months (I’ll have to check on that).

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Depending on what type of corals and other calcifying organisms you have in your tank.... there are different ways to keep calcium/alkalinity up in a reef tank.

1. Lime/Kalkwasser. You mix this powder with ro/di in a container (i use a 5g bucket) with a powerhead. I let it run like that around 24 hours. Turn off the powerhead and let it sit for 24 hours. You will have a surface crust and precipitants on the bottom. The "good" stuff is in the middle (clear liquid). You drip this into your reef tank as your ro/di top-off evaporation water. When I run out of my 5g bucket of limewater, I just drip ro/di till I make some more limewater.

2. Calcium reactors (CaCO3 / CO2)

3. Balanced two-part additives … like ESV B-Ionic Calcium buffer
 
it cost like 5$ to start a kalk drip and it does wonders, it raises the calcium, alk, and also precipitates phosphate whats not to love.
 
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