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-   -   Urgent! Kh and gh issues (http://www.plantedtank.net/forums/showthread.php?t=228514)

Stinkmonky 01-28-2013 10:04 PM

Urgent! Kh and gh issues
 
Hello everyone! I'm trying to reduce my gh and kh ratings in my fluval flora. I did a 50% water change in it and my ph and Tds are perfect! M y gh and kh however didn't change? I need to get this water crs safe ASAP. Kh is 5.5 and gh is 9.5 what do I do?

Stinkmonky 01-28-2013 10:05 PM

Urgent! Kh and gh issues
 
Edit- I did the 50% water change with reverse osmosis water

pirayaman 01-28-2013 11:29 PM

Did u test the ro water before using what was the kh and gh of that.

Stinkmonky 01-28-2013 11:58 PM

Urgent! Kh and gh issues
 
I didn't I just assumed but I have some left so ill give it a go

Stinkmonky 01-29-2013 12:01 AM

Urgent! Kh and gh issues
 
Quote:

Originally Posted by pirayaman (Post 2381186)
Did u test the ro water before using what was the kh and gh of that.

What do I do if the ro water tests zero. I've got new amazonia 2 and seiryu stones btw.

UDGags 01-29-2013 12:34 AM

Quote:

Originally Posted by Stinkmonky (Post 2381562)
seiryu stones btw.

Bingo, those raise the pH and GH...although usually not that high. How new and how much do you have in what volume of water?

Stinkmonky 01-29-2013 12:40 AM

Urgent! Kh and gh issues
 
Alright we'll assuming the ph and Tds are ideal will the a grade crs breed under those hardness conditions if properly acclimated. Btw it's strange that they didn't change at all from before

Stinkmonky 01-29-2013 04:26 AM

Quote:

Originally Posted by UDGags (Post 2381930)
Bingo, those raise the pH and GH...although usually not that high. How new and how much do you have in what volume of water?

i've had the stones for awhile. they were in the same setup before i rescaped. id say theyve been submerged in my possession for about 4 months total. i boiled them before adding them. i didnt have a kh or gh test back then so i couldnt tell you what the water was like.

Stinkmonky 01-29-2013 07:38 AM

Urgent! Kh and gh issues
 
Bump

Stinkmonky 01-30-2013 02:36 AM

Urgent! Kh and gh issues
 
Are seiryu stones buffers for hardness?

fplata 01-30-2013 02:53 AM

Urgent! Kh and gh issues
 
They increase the ph


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Stinkmonky 01-30-2013 03:02 AM

Urgent! Kh and gh issues
 
Quote:

Originally Posted by fplata (Post 2393594)
They increase the ph


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What could be the cause of my buffered hardness then? I added 50% Ro water

pirayaman 01-30-2013 12:11 PM

I said test the ro water because ive noticed that most (RO) water bought at store says or distilled which freaked me out idk if theres a dif but i want ro water.

I wouldn't want those kinda stones in a crs tank.

ph is a issue with the ro water and its low kh and gh could cause tank to swing to high ph with those kind of stones. idk but lower kh and gh is more susceptible to ph swings

danielt 01-30-2013 12:17 PM

It is impossible to have no gH change if you did a 50% RO water change. Check your test, check your measuring process. You're doing something wrong. Stones cannot increase water hardness quickly, there is a slight hardness increase over time. In days or weeks, not several hours.

If you have a TDS meter. Test the RO water with it, test the aquarium water. Compare, do another 50% change, test again.

pirayaman 01-30-2013 12:18 PM

I personally am trying to keep my ph at 6 my kh at 2 and gh at 5 this is on the high side of what's recommended but i also run co2 and I think that a kh of 0 is gonna make my ph too low I'm still learning myself about this stuff and I have crs to. My current water is kh 2 and gh 7 ph is 6


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