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#1
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KH & GH
I need to raise the KH & GH in our pond. Our public water is on the soft
side and we have been having constant rain. The GH is usually at 120ppm and KH at 80ppm. This morning the GH was reading 50ppm and KH of 40ppm. This afternoon the KH is around 80ppm and the GH is still at 50ppm. The plants are letting me know that they aren't happy but the fish seem OK, so, far. I know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy |
#2
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KH & GH
Don't use hydrated lime.
"Jeff & Kathy Brown" wrote in message ... I need to raise the KH & GH in our pond. Our public water is on the soft side and we have been having constant rain. The GH is usually at 120ppm and KH at 80ppm. This morning the GH was reading 50ppm and KH of 40ppm. This afternoon the KH is around 80ppm and the GH is still at 50ppm. The plants are letting me know that they aren't happy but the fish seem OK, so, far. I know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy |
#3
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KH & GH
Raise your KH with plain ol' Baking Soda. Arm and Hammer kind, but doesn't
have to be the name brand. Get your KH above 150 and maintain it there. At that range, you will be protected against pH crashes. Right now, you're DANGEROUSLY close to one with a KH around 40 or so. If you have a bead filter, get the KH 200. Use 1 lb. per day until you get it up. If you have rain, you will probably take steps backwards. Baking Soda is the cheapest, fastest way to get your KH up and keep it up. After you get it where you want it, you can probably maintain it with weekly doses. KH can be 500 or so without doing any harm, so don't worry about overdosing. It will also stabilize your pH around 8.2, keeping it rock solid. I don't worry about my GH too much, just the KH. Lee "Jeff & Kathy Brown" wrote in message ... I need to raise the KH & GH in our pond. Our public water is on the soft side and we have been having constant rain. The GH is usually at 120ppm and KH at 80ppm. This morning the GH was reading 50ppm and KH of 40ppm. This afternoon the KH is around 80ppm and the GH is still at 50ppm. The plants are letting me know that they aren't happy but the fish seem OK, so, far. I know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy |
#4
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KH & GH
organic dolomitic lime which has both calcium and magnesium and makes a better
buffer. when you use this you can put it in the filter and it will dissolve on demand. it is best to always check the stuff by putting it into 5 gallons of water overnight with an airstone to make sure the pH doesnt spike. Ingrid know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List Manager: Puregold Goldfish List http://puregold.aquaria.net/ www.drsolo.com Solve the problem, dont waste energy finding who's to blame ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Unfortunately, I receive no money, gifts, discounts or other compensation for all the damn work I do, nor for any of the endorsements or recommendations I make. |
#5
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KH & GH
Sorry, Ingrid but you lost me. Why am I putting it in a bucket with an
airstone? And, how much do I increase the KH in what time span? Thanks. wrote in message ... organic dolomitic lime which has both calcium and magnesium and makes a better buffer. when you use this you can put it in the filter and it will dissolve on demand. it is best to always check the stuff by putting it into 5 gallons of water overnight with an airstone to make sure the pH doesnt spike. Ingrid know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List Manager: Puregold Goldfish List http://puregold.aquaria.net/ www.drsolo.com Solve the problem, dont waste energy finding who's to blame ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Unfortunately, I receive no money, gifts, discounts or other compensation for all the damn work I do, nor for any of the endorsements or recommendations I make. |
#6
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KH & GH
Thanks, Lee. How much will 1 lb. of backing soda raise the pH? I don't
want the pH to skyrocket with the fish in the pond. Not a good thing. Don't forget I have 2400 gallons of water. Thanks. "Lee Brouillet" wrote in message ... Raise your KH with plain ol' Baking Soda. Arm and Hammer kind, but doesn't have to be the name brand. Get your KH above 150 and maintain it there. At that range, you will be protected against pH crashes. Right now, you're DANGEROUSLY close to one with a KH around 40 or so. If you have a bead filter, get the KH 200. Use 1 lb. per day until you get it up. If you have rain, you will probably take steps backwards. Baking Soda is the cheapest, fastest way to get your KH up and keep it up. After you get it where you want it, you can probably maintain it with weekly doses. KH can be 500 or so without doing any harm, so don't worry about overdosing. It will also stabilize your pH around 8.2, keeping it rock solid. I don't worry about my GH too much, just the KH. Lee "Jeff & Kathy Brown" wrote in message ... I need to raise the KH & GH in our pond. Our public water is on the soft side and we have been having constant rain. The GH is usually at 120ppm and KH at 80ppm. This morning the GH was reading 50ppm and KH of 40ppm. This afternoon the KH is around 80ppm and the GH is still at 50ppm. The plants are letting me know that they aren't happy but the fish seem OK, so, far. I know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy |
#7
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KH & GH
Ok, rough math: ~ 3/4 cup of baking soda will raise the KH by 1 drop (about
18 ppm) in 2400 gallons. You didn't mention what your current pH is, but baking soda will not raise it above 8.4 (max). My pH still "fluctuates" a bit: 8.2 AM/8.4 PM, 8.3 average - rock solid. If you want to take it slowly, add 3/4 to 1 c of baking soda daily until you get your KH up to 9 or 10 drops (minimum). If you have a bead filter, get it up to 12 drops. Lee "Jeff & Kathy Brown" wrote in message ... Thanks, Lee. How much will 1 lb. of backing soda raise the pH? I don't want the pH to skyrocket with the fish in the pond. Not a good thing. Don't forget I have 2400 gallons of water. Thanks. "Lee Brouillet" wrote in message ... Raise your KH with plain ol' Baking Soda. Arm and Hammer kind, but doesn't have to be the name brand. Get your KH above 150 and maintain it there. At that range, you will be protected against pH crashes. Right now, you're DANGEROUSLY close to one with a KH around 40 or so. If you have a bead filter, get the KH 200. Use 1 lb. per day until you get it up. If you have rain, you will probably take steps backwards. Baking Soda is the cheapest, fastest way to get your KH up and keep it up. After you get it where you want it, you can probably maintain it with weekly doses. KH can be 500 or so without doing any harm, so don't worry about overdosing. It will also stabilize your pH around 8.2, keeping it rock solid. I don't worry about my GH too much, just the KH. Lee "Jeff & Kathy Brown" wrote in message ... I need to raise the KH & GH in our pond. Our public water is on the soft side and we have been having constant rain. The GH is usually at 120ppm and KH at 80ppm. This morning the GH was reading 50ppm and KH of 40ppm. This afternoon the KH is around 80ppm and the GH is still at 50ppm. The plants are letting me know that they aren't happy but the fish seem OK, so, far. I know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy |
#8
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KH & GH
Pardon me for asking a dumb question but.... (Still new to some of these
things) What is KH and what is GH? pH I know. Thanks. "Lee Brouillet" wrote in message ... Ok, rough math: ~ 3/4 cup of baking soda will raise the KH by 1 drop (about 18 ppm) in 2400 gallons. You didn't mention what your current pH is, but baking soda will not raise it above 8.4 (max). My pH still "fluctuates" a bit: 8.2 AM/8.4 PM, 8.3 average - rock solid. If you want to take it slowly, add 3/4 to 1 c of baking soda daily until you get your KH up to 9 or 10 drops (minimum). If you have a bead filter, get it up to 12 drops. Lee "Jeff & Kathy Brown" wrote in message ... Thanks, Lee. How much will 1 lb. of backing soda raise the pH? I don't want the pH to skyrocket with the fish in the pond. Not a good thing. Don't forget I have 2400 gallons of water. Thanks. "Lee Brouillet" wrote in message ... Raise your KH with plain ol' Baking Soda. Arm and Hammer kind, but doesn't have to be the name brand. Get your KH above 150 and maintain it there. At that range, you will be protected against pH crashes. Right now, you're DANGEROUSLY close to one with a KH around 40 or so. If you have a bead filter, get the KH 200. Use 1 lb. per day until you get it up. If you have rain, you will probably take steps backwards. Baking Soda is the cheapest, fastest way to get your KH up and keep it up. After you get it where you want it, you can probably maintain it with weekly doses. KH can be 500 or so without doing any harm, so don't worry about overdosing. It will also stabilize your pH around 8.2, keeping it rock solid. I don't worry about my GH too much, just the KH. Lee "Jeff & Kathy Brown" wrote in message ... I need to raise the KH & GH in our pond. Our public water is on the soft side and we have been having constant rain. The GH is usually at 120ppm and KH at 80ppm. This morning the GH was reading 50ppm and KH of 40ppm. This afternoon the KH is around 80ppm and the GH is still at 50ppm. The plants are letting me know that they aren't happy but the fish seem OK, so, far. I know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy |
#9
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KH & GH
Heather wrote: Pardon me for asking a dumb question but.... (Still new to some of these things) What is KH and what is GH? pH I know. Thanks. Kh calcite hardness GH general hardness John Rutz Z5 New Mexico good judgement comes from bad experience, and that comes from bad judgement see my pond at: http://www.fuerjefe.com |
#10
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KH & GH
GH is a measure of the calcium and magnesium in the water. A high number is
good for bringing out the black in koi, but is said to cause shimmies (unwanted black marks) in the red. KH is a measure of the carbonates and bicarbonates in the water. These are used by the bacteria that digest the ammonia and nitrites, and as such it will go down. When the KH gets low, the pH will crash. You can get high GH and reasonable KH with limestone, or oyster shells, but these are slow dissolving. You can increase the GH with plaster of paris. To get a good KH and get it quickly, use baking soda. If you have a high (over 100 ppm) KH your pH will be solid and their is no reason to run it, except for information. -- RichToyBox http://www.geocities.com/richtoybox/pondintro.html "Heather" wrote in message ... Pardon me for asking a dumb question but.... (Still new to some of these things) What is KH and what is GH? pH I know. Thanks. "Lee Brouillet" wrote in message ... Ok, rough math: ~ 3/4 cup of baking soda will raise the KH by 1 drop (about 18 ppm) in 2400 gallons. You didn't mention what your current pH is, but baking soda will not raise it above 8.4 (max). My pH still "fluctuates" a bit: 8.2 AM/8.4 PM, 8.3 average - rock solid. If you want to take it slowly, add 3/4 to 1 c of baking soda daily until you get your KH up to 9 or 10 drops (minimum). If you have a bead filter, get it up to 12 drops. Lee "Jeff & Kathy Brown" wrote in message ... Thanks, Lee. How much will 1 lb. of backing soda raise the pH? I don't want the pH to skyrocket with the fish in the pond. Not a good thing. Don't forget I have 2400 gallons of water. Thanks. "Lee Brouillet" wrote in message ... Raise your KH with plain ol' Baking Soda. Arm and Hammer kind, but doesn't have to be the name brand. Get your KH above 150 and maintain it there. At that range, you will be protected against pH crashes. Right now, you're DANGEROUSLY close to one with a KH around 40 or so. If you have a bead filter, get the KH 200. Use 1 lb. per day until you get it up. If you have rain, you will probably take steps backwards. Baking Soda is the cheapest, fastest way to get your KH up and keep it up. After you get it where you want it, you can probably maintain it with weekly doses. KH can be 500 or so without doing any harm, so don't worry about overdosing. It will also stabilize your pH around 8.2, keeping it rock solid. I don't worry about my GH too much, just the KH. Lee "Jeff & Kathy Brown" wrote in message ... I need to raise the KH & GH in our pond. Our public water is on the soft side and we have been having constant rain. The GH is usually at 120ppm and KH at 80ppm. This morning the GH was reading 50ppm and KH of 40ppm. This afternoon the KH is around 80ppm and the GH is still at 50ppm. The plants are letting me know that they aren't happy but the fish seem OK, so, far. I know I need lime for the KH and gypsum for the GH. And, I know there is a difference between dolomitic and dolomite limestone, but which one is the right one for the pond? I will be going to Home Depot, so, what do I need to get and how much. Our pond is around 2400 gallons. Thanks. Kathy |
#11
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KH & GH
"RichToyBox" wrote:
GH is a measure of the calcium and magnesium in the water. A high number is good for bringing out the black in koi, but is said to cause shimmies (unwanted black marks) in the red. KH is a measure of the carbonates and bicarbonates in the water. These are used by the bacteria that digest the ammonia and nitrites, and as such it will go down. When the KH gets low, the pH will crash. You can get high GH and reasonable KH with limestone, or oyster shells, but these are slow dissolving. You can increase the GH with plaster of paris. To get a good KH and get it quickly, use baking soda. If you have a high (over 100 ppm) KH your pH will be solid and their is no reason to run it, except for information. Note: some submersed plants (frequently referred to as oxygenators in this group) will use carbonates and bicarbonates as a carbon source for photosynthesis. A large biomass of plants can reduce KH in short order, as can algal blooms. If you keep submersed plants and fish together, follow RichToyBox's recommendation that you monitor KH; drastic changes in pH between afternoon and morning may indicate reduced buffering capacity of your pond's water, something that may be remedied by amendment with calcium carbonate, sodium bicarbonate, etc. |
#12
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KH & GH
On Wed, 18 Jun 2003 15:53:51 -0600, John Rutz
wrote: What is KH and what is GH? pH I know. Kh calcite hardness GH general hardness John Rutz And good KH is important so your pH doesn't fluctuate wildly from AM to PM. ~ jan See my ponds and filter design: http://users.owt.com/jjspond/ ~Keep 'em Wet!~ Tri-Cities WA Zone 7a To e-mail see website |
#13
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KH & GH
On Wed, 18 Jun 2003 15:53:51 -0600, John Rutz
wrote: What is KH and what is GH? pH I know. Kh calcite hardness GH general hardness John Rutz And good KH is important so your pH doesn't fluctuate wildly from AM to PM. ~ jan See my ponds and filter design: http://users.owt.com/jjspond/ ~Keep 'em Wet!~ Tri-Cities WA Zone 7a To e-mail see website |
#14
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KH & GH
Further to that, the reason a large plant mass will reduce KH is because
photosynthesis reverses at night: the plants produce CO2 instead of O2. CO2 is acid, thereby reducing KH (and the reason why your pH is always lower in the early AM than it is towards sunset). I'm not trying to disagree with RTB about the level at which to keep your KH, but if mine - for my area - was only 100, I'd be susceptible to a crash. Rain here in Central FL can be quite acid: on Monday, I received 2 1/4 inches in 20 minutes, and it dropped my KH by 3 points (~ 60 ppm). I would have been in deep kimchee if I didn't keep my KH higher. Besides, bead-type filters *require* KH higher than 200 to work properly and feed the bacteria. Lee "GD" wrote in message news "RichToyBox" wrote: GH is a measure of the calcium and magnesium in the water. A high number is good for bringing out the black in koi, but is said to cause shimmies (unwanted black marks) in the red. KH is a measure of the carbonates and bicarbonates in the water. These are used by the bacteria that digest the ammonia and nitrites, and as such it will go down. When the KH gets low, the pH will crash. You can get high GH and reasonable KH with limestone, or oyster shells, but these are slow dissolving. You can increase the GH with plaster of paris. To get a good KH and get it quickly, use baking soda. If you have a high (over 100 ppm) KH your pH will be solid and their is no reason to run it, except for information. Note: some submersed plants (frequently referred to as oxygenators in this group) will use carbonates and bicarbonates as a carbon source for photosynthesis. A large biomass of plants can reduce KH in short order, as can algal blooms. If you keep submersed plants and fish together, follow RichToyBox's recommendation that you monitor KH; drastic changes in pH between afternoon and morning may indicate reduced buffering capacity of your pond's water, something that may be remedied by amendment with calcium carbonate, sodium bicarbonate, etc. |
#15
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KH & GH
Lee,
I like to keep mine higher than 100 also. I try to maintain a minimum of 10 degrees, about 170, but I start to worry when a pond has less than 100. 300 or 400 won't hurt a thing. -- RichToyBox http://www.geocities.com/richtoybox/pondintro.html "Lee Brouillet" wrote in message ... Further to that, the reason a large plant mass will reduce KH is because photosynthesis reverses at night: the plants produce CO2 instead of O2. CO2 is acid, thereby reducing KH (and the reason why your pH is always lower in the early AM than it is towards sunset). I'm not trying to disagree with RTB about the level at which to keep your KH, but if mine - for my area - was only 100, I'd be susceptible to a crash. Rain here in Central FL can be quite acid: on Monday, I received 2 1/4 inches in 20 minutes, and it dropped my KH by 3 points (~ 60 ppm). I would have been in deep kimchee if I didn't keep my KH higher. Besides, bead-type filters *require* KH higher than 200 to work properly and feed the bacteria. Lee "GD" wrote in message news "RichToyBox" wrote: GH is a measure of the calcium and magnesium in the water. A high number is good for bringing out the black in koi, but is said to cause shimmies (unwanted black marks) in the red. KH is a measure of the carbonates and bicarbonates in the water. These are used by the bacteria that digest the ammonia and nitrites, and as such it will go down. When the KH gets low, the pH will crash. You can get high GH and reasonable KH with limestone, or oyster shells, but these are slow dissolving. You can increase the GH with plaster of paris. To get a good KH and get it quickly, use baking soda. If you have a high (over 100 ppm) KH your pH will be solid and their is no reason to run it, except for information. Note: some submersed plants (frequently referred to as oxygenators in this group) will use carbonates and bicarbonates as a carbon source for photosynthesis. A large biomass of plants can reduce KH in short order, as can algal blooms. If you keep submersed plants and fish together, follow RichToyBox's recommendation that you monitor KH; drastic changes in pH between afternoon and morning may indicate reduced buffering capacity of your pond's water, something that may be remedied by amendment with calcium carbonate, sodium bicarbonate, etc. |
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