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Calcium Increaser from Woolworths

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Calcium Increaser from Woolworths

Postby Bennyball » Mon 07 Jan, 2019 1:57 pm

Has anyone tried this, Barracuda brand Calcium Increaser?
I have been using Red Sea calcium & finding this very expensive
Contents says:
Active Constituent
990g/kg calcium chloride
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Re: Calcium Increaser from Woolworths

Postby colg » Mon 07 Jan, 2019 3:01 pm

Havent used that particular brand but have used the bunnings Hyclor brand for years. Same price.
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Re: Calcium Increaser from Woolworths

Postby Bennyball » Thu 10 Jan, 2019 5:58 pm

Hi Colg,

I bought the Hyclor calcium Increaser from Bunnings, I can't attach pics! But the packet is 4kg with a light purple top & orange & light brown stripes thru it, does this sound like the right one?
It also feels like granules nor a powder?
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Re: Calcium Increaser from Woolworths

Postby colg » Thu 10 Jan, 2019 9:55 pm

Yep, that the one. As with all bulk calc, you will need to give it a good shake when you mix it but it dissolves well. Follow randies recipe (there is an Aussie version if you google it). I go slightly different in quantities 530g of calc to 4l of RO. Alk I use is the hylclor PH increased (soda ash / sodium carbonate) at a rate of 400g per 4L of RO.
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Re: Calcium Increaser from Woolworths

Postby The Cove Online » Thu 17 Jan, 2019 9:44 am

Shouldn't be an issue with either of those Benny. Col, have you noticed the Hyclor Soda Ash leaves a brown residue after mixing? Something tells me they use a coating on the powder or the processing picks up unwanted components.
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Re: Calcium Increaser from Woolworths

Postby TbyZ » Thu 17 Jan, 2019 10:00 am

colg wrote:Yep, that the one. As with all bulk calc, you will need to give it a good shake when you mix it but it dissolves well. Follow randies recipe (there is an Aussie version if you google it). I go slightly different in quantities 530g of calc to 4l of RO. Alk I use is the hylclor PH increased (soda ash / sodium carbonate) at a rate of 400g per 4L of RO.

hi colg. Can you tell me the purity of the hyclor cal & carbonate please
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Re: Calcium Increaser from Woolworths

Postby The Cove Online » Thu 17 Jan, 2019 10:28 am

Soda Ash 99-100% Purity https://hyclor.com.au/wp-content/upload ... reaser.pdf
Calcium Increaser 100% Purity https://hyclor.com.au/wp-content/upload ... reaser.pdf

Bear in mind that a 1% impurity can still mean the addition of 1g for every 100g dosed and in an aquarium of 100L would add 10 mg/L or 10ppm of impurity into the system... if this was phosphate for example you can understand how product purity can impact the tank.

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Re: Calcium Increaser from Woolworths

Postby TbyZ » Thu 17 Jan, 2019 10:46 am

The Cove Online wrote:Soda Ash 99-100% Purity https://hyclor.com.au/wp-content/upload ... reaser.pdf
Calcium Increaser 100% Purity https://hyclor.com.au/wp-content/upload ... reaser.pdf

Bear in mind that a 1% impurity can still mean the addition of 1g for every 100g dosed and in an aquarium of 100L would add 10 mg/L or 10ppm of impurity into the system... if this was phosphate for example you can understand how product purity can impact the tank.

John

Thanks.

I wonder about the impurities in comparison to hobby supplied carbonate & calcium?

Would you use the hyclor cal & carbs John?
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Re: Calcium Increaser from Woolworths

Postby The Cove Online » Thu 17 Jan, 2019 12:20 pm

Col has been around for awhile so if he's had no issues using them then I don't believe you will either. If the impurity is testable or something that is biologically removed like nitrogen then this is not as bad an issue, but my concern would lie more with heavy metal accumulation. One reason I recommend large (or numerous small) water changes over a short period once a year to reset the system from unwanted and untestable accumulates from all the chemicals dosed in there. Freshwater planted folk use this for EI dosing which puts everything in surplus than resets it back to the start with large water changes.

I've only handled the carbonate source so I can't say for the calcium, but based on their SDS it's 100% anyway. My concern with the alk source was a brown residue, which was why I was asking Col on his experience with it.

I haven't done an ICP test to know what the impurities would be and at what levels unfortunately but I'd love to know myself!

Cheers,
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Re: Calcium Increaser from Woolworths

Postby colg » Thu 17 Jan, 2019 4:17 pm

The Cove Online wrote:Shouldn't be an issue with either of those Benny. Col, have you noticed the Hyclor Soda Ash leaves a brown residue after mixing? Something tells me they use a coating on the powder or the processing picks up unwanted components.


It certainly does. I dont know what it is but seems to settle out of the solution. I have the pick up in the dosing container about 10mm off the bottom so when it is ready to refill i discard around 80ml. Not sure if all the brown stuff setles out but i think on the most part it does.

As i said above, i make up 4L batches. this sees me through nearly 3 weeks. i have been dosing the hyclor stuff for a number of years (switched to 25kg bags from a local chem supplier for a little while but had issues and returned to hyclor soda ash. I had an ICP test done a few months ago and there wasn't any elevated heavy metals - There was an elevated reading for Boron, but i put this down to some extra supplements i'm dosing. I wonder if Boron is somehow used in the process of making Soda Ash??

A quick search reveals that soda ash is used in some methods of refining boron, and many of the boron produces own both boron and soda ash mines..

Col
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Re: Calcium Increaser from Woolworths

Postby The Cove Online » Thu 17 Jan, 2019 5:03 pm

Thanks Col. I was thinking initially it was due to the pH of the solution being highly alkaline and maybe stripping the bottle I used of something, but even in glass I was getting the stuff form so wasn't sure if it was just the bag I got or a generalised assumption.

After noticing that residie I tended to filter out the solution through a buchner funnel and a filter probably around 10 micron in pore size, which really clogged it up. Was your ICP on tank water as a whole or just the soda ash solution? Just curious as there is too many potential sources of error.

Definitely thinking the same lines as you about the Boron. I guess if someone has a boron tester you could always test the solution and see if it was present - best on a diluted sample as the pH and salinity may throw the test off.

If I can ask, would you state the brand of the commercial stuff you used and what the issues were? I'm into the product development side so always curious for the bulk suppliers compared to analytical reagents.

Cheers,
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Re: Calcium Increaser from Woolworths

Postby TbyZ » Thu 17 Jan, 2019 7:04 pm

Thanks for the feedback fellas.

I wonder if hyclor bicarb has the brown residue
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Re: Calcium Increaser from Woolworths

Postby colg » Fri 18 Jan, 2019 12:46 pm

John,
The ICP test i got done was on a sample from my display tank, its the only ICP i have had. If the testing was available in Aus i would do it more regularly and consider testing of what supp's i'm dosing.
I cannot conclude whether it was the bulk Calcium chloride or the sodium carbonate that was giving me issues. Took about 4-6 weeks to start causing an issue and i reverted back to hyclor brand. There were some other possible causes for the symptoms which i altered at the same time. Once everything started recovering i went back to the bulk chems as i thought they wernt the issue. 4 weeks or so later i was back in RTN land! and reverted back to pool sups ever since.
The soda ash was REDOX, which i would generally have thought was a clean supply. It also states purity as >99%. From what i can remember, there was also a residue that precipitated out in the container but it was more a milky coffee colour (lighter than hyclor). I cant remember the brand of the Calcium.
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