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#1
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pearling after water change
After my most recent weekly water change (approx 15%), I noticed that for
the first 5 or so hours after the water change my plants pearl. This is the only time I ever notice them pearling, aside from when I first put them in the tank (10 gal) about a month ago. They grow just fine, but would I ever love to see them pearl on a regular basis. Any ideas as to why this may happen? The only thing I can think of is a nutrient deficiency that is supplied by the tap water. Thanks. Zack Robertson BTW - no CO2, no fertilization |
#2
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pearling after water change
"Zack Robertson" wrote in
: After my most recent weekly water change (approx 15%), I noticed that for the first 5 or so hours after the water change my plants pearl. This is the only time I ever notice them pearling, aside from when I first put them in the tank (10 gal) about a month ago. They grow just fine, but would I ever love to see them pearl on a regular basis. Any ideas as to why this may happen? The only thing I can think of is a nutrient deficiency that is supplied by the tap water. Thanks. Zack Robertson BTW - no CO2, no fertilization Tap water is often loaded with CO2. Sometimes it's purposefully added to adjust the pH, to create a less corrosive environment within the water pipes. It is very common for this to happen after a water change. If you like what you see, start injecting CO2 |
#3
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pearling after water change
or it could just be air bubbles stuck to your leaves
"redled" wrote in message . .. "Zack Robertson" wrote in : After my most recent weekly water change (approx 15%), I noticed that for the first 5 or so hours after the water change my plants pearl. This is the only time I ever notice them pearling, aside from when I first put them in the tank (10 gal) about a month ago. They grow just fine, but would I ever love to see them pearl on a regular basis. Any ideas as to why this may happen? The only thing I can think of is a nutrient deficiency that is supplied by the tap water. Thanks. Zack Robertson BTW - no CO2, no fertilization Tap water is often loaded with CO2. Sometimes it's purposefully added to adjust the pH, to create a less corrosive environment within the water pipes. It is very common for this to happen after a water change. If you like what you see, start injecting CO2 |
#4
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pearling after water change
"Zack Robertson" wrote:
After my most recent weekly water change (approx 15%), I noticed that for the first 5 or so hours after the water change my plants pearl. BTW - no CO2, no fertilization Grrr. I want pearling! The only time I've seen any visible O2 production in my heavily planted 20 gallon was from a damaged Anubias leaf. I've got 56 watts of compact fluorescent light, fertilize regularly, Flourite substrate, and currently my CO2 levels are very high - pH 7.0 and kH 18.5 works out to about 55 ppm CO2. Should be pearling at least somewhat. As for the high CO2, that's new. Usually I'm struggling to get it into the 20s range. I noticed earlier today, several hours after putting a new DIY bottle on, that the bubbles in the Hagen diffuser weren't shrinking as they rose. Since so many hours had passed I suspected that maybe the CO2 levels were approaching saturation, and tested the pH and kH. Since according to Chucks this level of CO2 could be dangerous for the fish (though they don't appear to be in any distress) I've redirected the filter return flow to increase surface agitation, both to reduce CO2 and increase oxygen exchange. -- www.ericschreiber.com |
#5
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pearling after water change
I agree, even if you just use a DIY Co2 setup at first, you will see
definate positive changes Dustin "redled" wrote in message . .. "Zack Robertson" wrote in : After my most recent weekly water change (approx 15%), I noticed that for the first 5 or so hours after the water change my plants pearl. This is the only time I ever notice them pearling, aside from when I first put them in the tank (10 gal) about a month ago. They grow just fine, but would I ever love to see them pearl on a regular basis. Any ideas as to why this may happen? The only thing I can think of is a nutrient deficiency that is supplied by the tap water. Thanks. Zack Robertson BTW - no CO2, no fertilization Tap water is often loaded with CO2. Sometimes it's purposefully added to adjust the pH, to create a less corrosive environment within the water pipes. It is very common for this to happen after a water change. If you like what you see, start injecting CO2 |
#6
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pearling after water change
Eric,
Three important things must exist for pearling to occur: plenty of the right light, sufficient CO2, and the right concentration and balance of nutrients. Now you say you fertilize, but what exactly are you adding? Plants need macro and micro nutrients in the proper concentrations to thrive. Macro nutrients are nitrogen, potassium and phosphorous. Micronutrients include calcium, magnesium, manganese, iron, boron, etc. Check out discussions on www.thekrib.com for detailed writings on plant nutrition, etc. It's quite possible you are adding sufficient micronutrients (that's what most "fertilizers" for aquarium plants are), but neglecting a key macronutrient. Don't worry about phosphorous - it comes from fish food/waste. I would suspect you have a potassium deficiency. It's a tough thing to test for, but I would bet you are low on it or some other key nutrient. After all, you have to have everything there and in the right amount for the plants to be able to grow. Good luck, Jeff "Eric Schreiber" wrote in message ... "Zack Robertson" wrote: After my most recent weekly water change (approx 15%), I noticed that for the first 5 or so hours after the water change my plants pearl. BTW - no CO2, no fertilization Grrr. I want pearling! The only time I've seen any visible O2 production in my heavily planted 20 gallon was from a damaged Anubias leaf. I've got 56 watts of compact fluorescent light, fertilize regularly, Flourite substrate, and currently my CO2 levels are very high - pH 7.0 and kH 18.5 works out to about 55 ppm CO2. Should be pearling at least somewhat. As for the high CO2, that's new. Usually I'm struggling to get it into the 20s range. I noticed earlier today, several hours after putting a new DIY bottle on, that the bubbles in the Hagen diffuser weren't shrinking as they rose. Since so many hours had passed I suspected that maybe the CO2 levels were approaching saturation, and tested the pH and kH. Since according to Chucks this level of CO2 could be dangerous for the fish (though they don't appear to be in any distress) I've redirected the filter return flow to increase surface agitation, both to reduce CO2 and increase oxygen exchange. -- www.ericschreiber.com |
#7
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pearling after water change
"Jeffrey Girard" wrote:
Three important things must exist for pearling to occur: plenty of the right light, sufficient CO2, and the right concentration and balance of nutrients. Now you say you fertilize, but what exactly are you adding? Up until I hit this "too much CO2" situation, I was adding Flourish Excel daily. I also add Flourish and Leaf Zone weekly, per instructions on the bottles. I would suspect you have a potassium deficiency. That would explain the foot cramps. About half of the plants in my tank were only planted within the last week, so perhaps they haven't settled in enough yet. you have to have everything there and in the right amount for the plants to be able to grow. That's a fact. The wisteria has always grown like a weed, and the new sunset hygro I recently added looks like it's going to leave the wisteria far behind in that race. -- www.ericschreiber.com |
#8
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pearling after water change
if you have a (severe) potassium deficiency you will start noticing pinholes
in your big broad leaves (like anubias) and then the pinholes will increase in size until your once solid leaf looks now like a net. "Eric Schreiber" wrote in message ... "Jeffrey Girard" wrote: Three important things must exist for pearling to occur: plenty of the right light, sufficient CO2, and the right concentration and balance of nutrients. Now you say you fertilize, but what exactly are you adding? Up until I hit this "too much CO2" situation, I was adding Flourish Excel daily. I also add Flourish and Leaf Zone weekly, per instructions on the bottles. I would suspect you have a potassium deficiency. That would explain the foot cramps. About half of the plants in my tank were only planted within the last week, so perhaps they haven't settled in enough yet. you have to have everything there and in the right amount for the plants to be able to grow. That's a fact. The wisteria has always grown like a weed, and the new sunset hygro I recently added looks like it's going to leave the wisteria far behind in that race. -- www.ericschreiber.com |
#9
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pearling after water change
On Fri, 25 Apr 2003 02:13:00 -0500, Eric Schreiber
wrote: Grrr. I want pearling! With that much CO2, decent light and regular fertilizer, you should see ample pearling. What do you mean by "fertilize". If you are using the PMDD (which has both macro and micro nutrients) you should have results. New cuttings from the LFS in my 30ppm CO2 tank perl withing 2 hours of being put in. Perhaps the liquid rock you have for water is effecting it in some way. Wow. What is your gH and kH out of the tap? Mine are 0/0....too bad we can't mix our water sources. As for the high CO2, that's new. Usually I'm struggling to get it into the 20s range. Doing the math puts your normal pH in the 7.6 range then? (18kH CO2 20ppm). Good luck and try the PMDD, it is a real pain to source out all the parts, but once you have them, you have enough for the rest of your life. He he he he. |
#10
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pearling after water change
James Ervin wrote:
With that much CO2, decent light and regular fertilizer, you should see ample pearling. What do you mean by "fertilize". If you are using the PMDD (which has both macro and micro nutrients) you should have results. Leaf Zone and Flourish are what I use for fertilizing. And until recently, I also had a too-high fish load in the tank, which contributed a lot of mulm. New cuttings from the LFS in my 30ppm CO2 tank perl withing 2 hours of being put in. Perhaps the liquid rock you have for water is effecting it in some way. Wow. What is your gH and kH out of the tap? I haven't measured the tap water in several months, but the last time I did both were over 15. As an added plus, not only is our water very hard, it's also radioactive. No mutants in the tank yet. Good luck and try the PMDD, it is a real pain to source out all the parts, but once you have them, you have enough for the rest of your life. He he he he. I may do that. Right now, I'd happily forego the pearling if only I could get rid of the algae. The tank is definitely heavily planted, and the plants are growing very well, but still not out-competing the algae. But hey, what fun would this hobby be without challenges. -- www.ericschreiber.com |
#11
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pearling after water change
"James Ervin" wrote in message
... Perhaps the liquid rock you have for water is effecting it in some way. Wow. What is your gH and kH out of the tap? Mine are 0/0....too bad we can't mix our water sources. James, a little off-topic from the plants, but if your water is that soft you ought be keeping apistos as they love soft water and might spawn for you. They are great fish for planted tanks. Can you tell I'm jealous? Also, be careful adding CO2 with soft water, because with no buffering capacity your pH might crash. Sorry if I'm telling you things you already know. Jody |
#12
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pearling after water change
On Sun, 4 May 2003 20:04:13 -0500, "Jody"
James, a little off-topic from the plants, but if your water is that soft you ought be keeping apistos as they love soft water and might spawn for you. They are great fish for planted tanks. Can you tell I'm jealous? Also, be careful adding CO2 with soft water, because with no buffering capacity your pH might crash. Sorry if I'm telling you things you already know. Jody My GH and KH are either not measurable or 1 degree. I have started keeping several cups of crushed oyster shells in each tank. I do have the tank I am putting CO2 in buffered to a KH of 6 to 8 which gives me optimum CO2 levels near neutral water. When the oyster shells are not enough, I add Epsom salts (MgSO4) and baking soda (NaHCO3). I have found that the Epsom salts are very effective at raising GH, but I also keep calcite and dolomite handy to balance out the picture. I have to keep the hardness up for the snails too. Found that out the hard way. I miss my giant apple snail ........... I let his shell get to weak in my soft water and the Oscars eventually go to him. It is amazing how soft water will leach calcium from any source it can. I do think it is better to have to add it than take it out. Plus it makes the shower so much nicer :-{) he he he he. Take the stick in the eye out to reply. |
#13
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pearling after water change
"James Ervin" wrote in message
... Perhaps the liquid rock you have for water is effecting it in some way. Wow. What is your gH and kH out of the tap? Mine are 0/0....too bad we can't mix our water sources. James, a little off-topic from the plants, but if your water is that soft you ought be keeping apistos as they love soft water and might spawn for you. They are great fish for planted tanks. Can you tell I'm jealous? Also, be careful adding CO2 with soft water, because with no buffering capacity your pH might crash. Sorry if I'm telling you things you already know. Jody |
#14
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pearling after water change
On Sun, 4 May 2003 20:04:13 -0500, "Jody"
James, a little off-topic from the plants, but if your water is that soft you ought be keeping apistos as they love soft water and might spawn for you. They are great fish for planted tanks. Can you tell I'm jealous? Also, be careful adding CO2 with soft water, because with no buffering capacity your pH might crash. Sorry if I'm telling you things you already know. Jody My GH and KH are either not measurable or 1 degree. I have started keeping several cups of crushed oyster shells in each tank. I do have the tank I am putting CO2 in buffered to a KH of 6 to 8 which gives me optimum CO2 levels near neutral water. When the oyster shells are not enough, I add Epsom salts (MgSO4) and baking soda (NaHCO3). I have found that the Epsom salts are very effective at raising GH, but I also keep calcite and dolomite handy to balance out the picture. I have to keep the hardness up for the snails too. Found that out the hard way. I miss my giant apple snail ........... I let his shell get to weak in my soft water and the Oscars eventually go to him. It is amazing how soft water will leach calcium from any source it can. I do think it is better to have to add it than take it out. Plus it makes the shower so much nicer :-{) he he he he. Take the stick in the eye out to reply. |
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