adding calcium - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 02-16-2005, 10:58 AM Thread Starter
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adding calcium

I want to add some calcium in my planted tank, for the plants, and I was wondering if those liquid calcium products that are used for saltwater aquariums are suitable for this kind of purpose.
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post #2 of 12 (permalink) Old 02-16-2005, 11:08 AM
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I've been using Kent's Liquid Calcium. I bought it in a failed attempt to raise Amano shrimp larvae, but it's a CaCl2 solution so it works fine for dosing in a planted tank. THe only downside is that there isn't any dosing guideline for it so you either have to dose some RO water to see what ppm of Ca a certain quantity gives you. Or you play it by ear and start dosing very conservatively.

When it runs out I'll be buying some dry CaCl2 instead since I can figure out dosing using the APC Fertilator.

óBill

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post #3 of 12 (permalink) Old 02-16-2005, 11:41 AM
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If you are using CO2 reactor or canister, you can put crushed corals in there as supplements. The principle is like the calcium reactor for reef tanks. CO2 lowers the pH of the water in the reactor, and dissolves calcium in the crushed corals. You can test calcium concentration with Ca test kits for aquariums. For reef tanks, we recommend Salifert or LaMotte test kits. Both fairly accurate.

As long as the pH of the reactor is below 6.8 calcium will dissolve
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post #4 of 12 (permalink) Old 02-16-2005, 01:17 PM
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The only problem with adding crushed coral is you don't have as much control over the amount of Ca that is added to the tank. It does work, you just need to watch your GH levels.

I use the Kent Liquid Calcium when I see my 'sensitive' plants showing a twisted leaf. I also put a handful of dolomite on the bottom of the tank when I am setting up a substrate so the rooted plants have a source all the time, too late for this tank but something to think about for the next one.

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post #5 of 12 (permalink) Old 02-16-2005, 02:19 PM
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I was going to purchase a salt water calcium mix, but somebody told me about snow-melt (or one of the ice-melt products, just look at the ingredients) Which was 10 bucks for twenty pounds instead of 15 bucks for 16 oz. The best part is if I have ice outside, I can melt that too.
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post #6 of 12 (permalink) Old 02-16-2005, 03:21 PM
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yes, many of the sidewalk salts are or contain CaCl2. "Road Runner" is the only brand carried by Lowe's and Home Depot where I live, and it seems to be mostly Sodium, and also contains Potassium and Magnesium Chlorides in addition to Calcium Chloride. If you're already dosing potassium, you might want to keep an eye out here, as well as the high sodium content... could reek havoc on your electrolyte balance (some fish really don't like too much sodium). I suppose I should email the people that make "Road Runner" and find out the approximate ratios of each salt. This *could* be a very cheap answer to reconstituting RO/DI, rain, or distilled water, or mixing up high GH water for hardwater fish. I'll get back to you all on that issue, possibly in a new post (I'll be sure and link to it here).

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post #7 of 12 (permalink) Old 02-16-2005, 03:48 PM
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Quick Joe Ice Melt lists only CaCL on the list of ingredients. I've been using it so far without problems that I know of!

30g planted with cories, white clouds, Harlequin Rasboras ,ottos.
10g planted with glowlight tetras and an otto.
Outdoor pond with one common goldfish and comets.
5.5g with endlers.
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post #8 of 12 (permalink) Old 02-16-2005, 03:51 PM
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I just got back from Orchard Supply Hardware where I found CaCl2 where they sell the dehumidifiers. It's called Dri-Z-Air and comes in 26oz bags for $3.19. It looks just like Kent Turbo Calcium.

I also picked up a 40# bag of KCl used for water softeners, but the trick will be finding an easy way to crush the marble-sized pellets into a powder. I guess the 2lb mallet will be the first option.

óBill

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post #9 of 12 (permalink) Old 02-20-2005, 09:01 PM
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I dont know you will laugh or not but I use mostly egg covers for calcium .. the result is nearly perfect .. I inlay a piece of cleared cover to the gravel .. I live in Turkey and fertilization equipments are expensive .. So I allways try DIY solutions ..

__Hakan Benli__
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Far from you ..
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post #10 of 12 (permalink) Old 02-21-2005, 08:28 PM
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Just get some Kent Botanica gH+ and add it until your gH level is where you want it.
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post #11 of 12 (permalink) Old 02-21-2005, 08:47 PM
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Quote:
Originally Posted by Hypancistrus
Just get some Kent Botanica gH+ and add it until your gH level is where you want it.
Sure, and TurboCalcium works fine too, but they are expensive long term.


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post #12 of 12 (permalink) Old 02-22-2005, 02:37 PM
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I agree...

I've been thinking about mixing CaCl2 and MgSO4 together to get a powder mix of 4:1 Ca to Mg, putting into a nice package and selling it to the lfs' for half the price of all the commercial aquarium GH+ products out there.

At half the price I'd still make a killing!

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