MY KH is to high - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 06-05-2007, 09:55 PM Thread Starter
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MY KH is to high

KH isn't something I use to check but now I'm spending more time on my tank, I went and got a lot more Test kits and one was the KH (carbonate hardness). I took 19 drops to turn it from the Blue to the Yellow, now I want to have my tank in the 7-12 drops zone so how do I reduce the KH?
Will water changes do it or is there another way?

Saltwater 4foot (67gal) and Reef Rock/Plugs (300)Sump (12gal) with a 3000ltr/hr return pump(32watts)
1x 6025, 3 x TUNZE 6045 for flow.
Aquasonic Skimmer with 3000ltr pump
16watt UV. *5 Lights: 2 Actinics and 2 Daylights and 1 Gro-Lux.
*Fish @ the moment: Powder Blue Tang, South Seas Devil, Mandarinfish, Lemon Peel, Bi-colour angel, Coral beauty, Scopas Tang(4in), Coral Banded Shrimp(been in tank for 4/5yrs) and a Dusky Anemonefish(3in).. and 2 Red Base Sand Anemones..A pair peppermint shrimps.
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post #2 of 7 Old 06-05-2007, 11:00 PM
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What is the KH of your tapwater? RO water is the best way to go when reducing KH.

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post #3 of 7 Old 06-05-2007, 11:34 PM Thread Starter
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I don't have a RO set-up but my Tap water is 3 drops till it turns Yellow

Saltwater 4foot (67gal) and Reef Rock/Plugs (300)Sump (12gal) with a 3000ltr/hr return pump(32watts)
1x 6025, 3 x TUNZE 6045 for flow.
Aquasonic Skimmer with 3000ltr pump
16watt UV. *5 Lights: 2 Actinics and 2 Daylights and 1 Gro-Lux.
*Fish @ the moment: Powder Blue Tang, South Seas Devil, Mandarinfish, Lemon Peel, Bi-colour angel, Coral beauty, Scopas Tang(4in), Coral Banded Shrimp(been in tank for 4/5yrs) and a Dusky Anemonefish(3in).. and 2 Red Base Sand Anemones..A pair peppermint shrimps.
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post #4 of 7 Old 06-06-2007, 01:21 AM
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I hope you find the following usefull
ttp://www.fishipedia.org/index.php?title=Hardness

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post #5 of 7 Old 06-06-2007, 02:19 AM Thread Starter
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thanks, good site, didn't have that one...and yes it does help

Saltwater 4foot (67gal) and Reef Rock/Plugs (300)Sump (12gal) with a 3000ltr/hr return pump(32watts)
1x 6025, 3 x TUNZE 6045 for flow.
Aquasonic Skimmer with 3000ltr pump
16watt UV. *5 Lights: 2 Actinics and 2 Daylights and 1 Gro-Lux.
*Fish @ the moment: Powder Blue Tang, South Seas Devil, Mandarinfish, Lemon Peel, Bi-colour angel, Coral beauty, Scopas Tang(4in), Coral Banded Shrimp(been in tank for 4/5yrs) and a Dusky Anemonefish(3in).. and 2 Red Base Sand Anemones..A pair peppermint shrimps.
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post #6 of 7 Old 06-06-2007, 02:58 AM Thread Starter
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I've just changed 20ltrs of Tap water and will wait abit before I do my test again.
I'm due to change 50ltrs of Sea water on this friday so I guess that will help and I'll bring my water changes back to every week till I get it back down.
Does this sound like a good plan?
Also would "Purple Up" push the KH up as I was putting a cap in each day?

Saltwater 4foot (67gal) and Reef Rock/Plugs (300)Sump (12gal) with a 3000ltr/hr return pump(32watts)
1x 6025, 3 x TUNZE 6045 for flow.
Aquasonic Skimmer with 3000ltr pump
16watt UV. *5 Lights: 2 Actinics and 2 Daylights and 1 Gro-Lux.
*Fish @ the moment: Powder Blue Tang, South Seas Devil, Mandarinfish, Lemon Peel, Bi-colour angel, Coral beauty, Scopas Tang(4in), Coral Banded Shrimp(been in tank for 4/5yrs) and a Dusky Anemonefish(3in).. and 2 Red Base Sand Anemones..A pair peppermint shrimps.
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post #7 of 7 Old 06-07-2007, 02:51 AM Thread Starter
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I got it down to 16 drops(KH 286.4ppm??) with the 20ltr tap water, will do the 50ltr saltwater tomorrow.
so should I aim for KH @ 200ppm?

Saltwater 4foot (67gal) and Reef Rock/Plugs (300)Sump (12gal) with a 3000ltr/hr return pump(32watts)
1x 6025, 3 x TUNZE 6045 for flow.
Aquasonic Skimmer with 3000ltr pump
16watt UV. *5 Lights: 2 Actinics and 2 Daylights and 1 Gro-Lux.
*Fish @ the moment: Powder Blue Tang, South Seas Devil, Mandarinfish, Lemon Peel, Bi-colour angel, Coral beauty, Scopas Tang(4in), Coral Banded Shrimp(been in tank for 4/5yrs) and a Dusky Anemonefish(3in).. and 2 Red Base Sand Anemones..A pair peppermint shrimps.
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