Flourite... Do They Obsorb Stuff? - The Planted Tank Forum
 
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post #1 of 14 (permalink) Old 05-20-2006, 05:55 PM Thread Starter
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Flourite... Do They Obsorb Stuff?

I'm new to flourite and I sorta notice...but am unsure...that they actually seem to cause decay faster and obsorb fallen stuff more. Like a leaf that fell off and was on the ground...it decayed so fast. And during my transporation of the plants to the new flourite one, the leaves that were covered with flourite dust...they all wittled away. Some of the plants are wittling away. Its weird...

My measurements are pH with DIY CO2 is 7.0....KH 7dGH or 125.3ppm. GH I have no idea...can someone tell me how to measure...they say wait until it becomes green...but how green? Because I counted 5 drops....but there's light green and the more drops I guess the more green it becomes. Help? HOw do i maintain the pH of about 7.5?
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post #2 of 14 (permalink) Old 05-20-2006, 08:21 PM
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I'm not sure about your GH tester, but I would try to up your CO2 a little. Try bringing your PH to about 6.8. With your KH at around 6.0 and your PH at around 6.8, this would give you about 29 PPM of CO2.

Well never mind what I just said. I just seen that your lights are low. What do you have for lights? What I said above would work good for maybe 2 to 3 watts per gallon.

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post #3 of 14 (permalink) Old 05-21-2006, 12:14 AM
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If you want to maintain a pH of around 7.5 quit injecting CO2. But why do you have this unusual fascination with a pH of 7.5?
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post #4 of 14 (permalink) Old 05-21-2006, 12:30 AM
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Quote:
Originally Posted by nathan515
GH I have no idea...can someone tell me how to measure...they say wait until it becomes green...but how green? Because I counted 5 drops....but there's light green and the more drops I guess the more green it becomes.
If you're using the Aquarium Pharmaceuticals kit, the first drop should turn the water orange (unless you have 0 GH which is unlikely if your KH is 7), then you get a darker and darker orange until it suddenly turns light green. Stop when it turns the least bit green.
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post #5 of 14 (permalink) Old 05-21-2006, 01:32 AM Thread Starter
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K...just when it gets green...in that case...I guess that number applies....hrm.. so when should I add more gh or kh?

Reply to Rex: Lol Rex...honestly if you ask me that question like that...I have no idea really. I guess...for me pH seems to slide down and never go up. So keeping it at a bare min and max...I try to make it 7.5 so even if it does go down...it won't surprise me. I read those posts and I went to your link...still trying to obsorb it all.

TIME TO GO CUT THE PLASTIC MESH YAY SO FUN.
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post #6 of 14 (permalink) Old 05-21-2006, 01:53 AM
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Depending on your tap water if you do your weekly 50% water changes your ph should be stable. You dont have to be at 7.5 I usually run anywhere 6.4-6.9 with pressurized co2. Ph should not drop and suprise you if it does something is wrong. 7.5 is IMO high Unless your fish or specific plants need it that high
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post #7 of 14 (permalink) Old 05-21-2006, 02:17 AM Thread Starter
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Alright so...what should my gH (was told that it doesn't effect pH) and kH be in order for it to be nice and even around 7.0-7.5
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post #8 of 14 (permalink) Old 05-21-2006, 02:50 AM
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according to barr report

EI target ranges
CO2 range 20-30 ppm
NO3 range 5-30 ppm
K+ range 10-30 ppm
PO4 range 1.0-2.0 ppm
Fe 0.2-0.5ppm or higher
GH range 3-5 degrees ~ 50ppm or higher
KH range 3-5
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post #9 of 14 (permalink) Old 05-21-2006, 04:01 AM
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Nathan.

If you want to inject CO2 you are not going to be able to keep a pH in the 7.0-7.5 range. In fact your kH would have to be 0.5-2.5 to keep plain water at that pH. Once you inject CO2 the pH goes down. That's a fact of life.

Again....why this strange fascination with a certain pH value?

If you inject CO2 the pH goes down. Quit injecting CO2 and it goes back to the normal value.
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post #10 of 14 (permalink) Old 05-21-2006, 08:32 AM
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Nathan, Keep in mind fish do not need a certain PH they need a stable PH. (Do Tanganyikan cichlids require a PH of 9? That may be the PH they live in but what says they like it, where else can they go?) Set your PH using your KH to achieve your target CO2 saturation. Keep your water chemistry as simple as possible. Since you read Rex's stuff, read this and use the handy chart.....DC

http://www.csd.net/~cgadd/aqua/art_plant_co2chart.htm
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post #11 of 14 (permalink) Old 05-21-2006, 05:46 PM Thread Starter
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The thing is...I've never really understood the charts too much, just to some extent...I think I posted this once that I needed someone to tutor me in that. But....I'll look it over more today.
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post #12 of 14 (permalink) Old 05-21-2006, 06:00 PM
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The CO2/pH/kH chart is pretty easy. You find your pH, you find your kH and then look at the chart. That will tell you how much CO2 you have in your tank. But the chart only works if you only use bicarbonates to buffer the water and only use CO2 to lower the pH.

Normally water will contain around 2.5-3 ppm of CO2. So find that value on the chart. Your water should test at or close to those values. Now start injecting CO2. The kH will remain the same but the pH will drop.
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post #13 of 14 (permalink) Old 05-21-2006, 07:06 PM Thread Starter
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Yeah, I guess I got that part before, I was trying to see if the chart had any relations with gH and pH values. Like how much gH for how much pH....dunno haha.
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post #14 of 14 (permalink) Old 05-21-2006, 07:48 PM
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gH has no effect on pH.
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