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Forum: The Reef Chemistry Forum

01/12/2008, 03:41 AM

Replies: 10

Phosphate/Nitrate levels in relation to bleaching

Views: 8,274

Posted By damura

Hi Billy, It is a common belief, and may be...

Hi Billy,

It is a common belief, and may be a misconception among my fellow reefers that some medias, when dissolving, generate phosphate that was locked in their crystals...chemistry wise, it...

Forum: The Reef Chemistry Forum

01/12/2008, 03:22 AM

Replies: 10

Phosphate/Nitrate levels in relation to bleaching

Views: 8,274

Posted By damura

Thanks for your answers guys, First of all,...

Thanks for your answers guys,

First of all, and regarding Randy's question. I was wrong indeed when calling it bleaching. It is STN, tissue necrosis that advances slowly from the base of some...

Forum: The Reef Chemistry Forum

01/11/2008, 09:45 AM

Replies: 10

Phosphate/Nitrate levels in relation to bleaching

Views: 8,274

Posted By damura

Phosphate/Nitrate levels in relation to bleaching

Hi all,

I was wondering from your experience or from an article on the web, what are the relations between these 2 parameters to SPS bleaching. Lately i have noticed Cyano bacteria together with...

Forum: The Reef Chemistry Forum

01/11/2008, 09:45 AM

Replies: 10

Phosphate/Nitrate levels in relation to bleaching

Views: 8,274

Posted By damura

Forum: The Reef Chemistry Forum

01/11/2008, 09:45 AM

Replies: 10

Phosphate/Nitrate levels in relation to bleaching

Views: 8,274

Posted By damura

Forum: Reef Discussion

01/05/2008, 09:54 AM

Replies: 1

Coral base bleaching

Views: 298

Posted By damura

Coral base bleaching

Hi everyone,

Does anyone here have experience with the following phenomenon:
Every few months, for some reason, i have SPS bleaching starting from the base of the coral, it progresses quiet...

Forum: Lighting, Filtration & Other Equipment

12/01/2007, 02:30 PM

Replies: 64

H&S Skimmer Club

Views: 59,353

Posted By damura

Hi all, I really need you help here. I...

Hi all,

I really need you help here.
I have an H&S skimmer that i'm very happy with. I have one very annoying problem with it though, i have tons of bubbles coming out of it. When i look at the...

Forum: Lighting, Filtration & Other Equipment

11/30/2007, 07:12 AM

Replies: 0

bubbles in the output

Views: 125

Posted By damura

bubbles in the output

Hi all,

I have an H&S with 2 Eheim pumps, i find it the best skimmer i've ever worked with, one thing really bothers me about this skimmer though. It adds much too many bubbles to the aquarium. It...

Forum: Reef Discussion

11/14/2007, 02:12 PM

Replies: 2

Reef shops around europe

Views: 151

Posted By damura

Reef shops around europe

Hi all,

As part of my work i get to travel around europe often. I know that some of the best reef shops in world are situated there, hosting the most amazing SPS shipments.
How do i find where...

Forum: SPS Keepers

10/12/2007, 02:25 PM

Replies: 279

Lets talk about Vodka/sugar dosing

Views: 21,726

Posted By damura

whether you use everclear or vodka doesn't matter...

whether you use everclear or vodka doesn't matter as long as you calculate the difference. i use Vodka which is 40% ethanol, if i would be able to use everclear i would dose half the amount, because...

Forum: SPS Keepers

10/12/2007, 02:03 PM

Replies: 279

Lets talk about Vodka/sugar dosing

Views: 21,726

Posted By damura

burris hi, i wouldn't dig into the purity of...

burris hi,

i wouldn't dig into the purity of your alcohol too much. just use whatever you have even if it's cheap vodka, as long as it's not denatured(mixed with toxic chemicals like methanol).

Forum: SPS Keepers

10/12/2007, 12:52 PM

Replies: 279

Lets talk about Vodka/sugar dosing

Views: 21,726

Posted By damura

with a dose of 10ml for my 250g i have noticed my...

with a dose of 10ml for my 250g i have noticed my long lasting bryopsis losing their colors in only 3-4 days!!! since then they are dying.
I can say that after 18 months of struggle with them, they...

Forum: SPS Keepers

10/12/2007, 12:01 PM

Replies: 279

Lets talk about Vodka/sugar dosing

Views: 21,726

Posted By damura

Thanks James, since i'm from Israel i'll...

Thanks James,

since i'm from Israel i'll contact their european office.

seems like a very advanced magazine. It's quiet expensive.

Anyway, corals and all filter feeders eat bacteria, but the...

Forum: The Reef Chemistry Forum

10/12/2007, 09:12 AM

Replies: 16

What do you use to clean pumps?

Views: 801

Posted By damura

I buy it in hardware stores. It is used to remove...

I buy it in hardware stores. It is used to remove concrete. they sell it in its maximum possible dosage which is 30% !!!
be very careful with this substance, and always remember the rule to dilute...

Forum: The Reef Chemistry Forum

10/12/2007, 04:34 AM

Replies: 7

Po4 level

Views: 408

Posted By damura

Guys, The question is: How do know when your...

Guys,

The question is: How do know when your phosban media is exhausted? only by measuring PO4 ions?

I always had problems with filtering medias, i never know when to replace them, and when my...

Forum: SPS Keepers

10/12/2007, 02:06 AM

Replies: 279

Lets talk about Vodka/sugar dosing

Views: 21,726

Posted By damura

James, sorry for the ignorance but how can i...

James,

sorry for the ignorance but how can i read coral magazine?
is it on the internet(e-magazine) or is it on paper?

Thanks.

Forum: The Reef Chemistry Forum

10/11/2007, 05:11 PM

Replies: 16

What do you use to clean pumps?

Views: 801

Posted By damura

For none metal parts you can easily use...

For none metal parts you can easily use hydrochloric acid 10-15% i use it for many years now to clean aquarium equipment

Forum: The Reef Chemistry Forum

10/11/2007, 05:09 PM

Replies: 7

Po4 level

Views: 408

Posted By damura

For SPS corals it is way too high! it should...

For SPS corals it is way too high!

it should be below 0.04.

Anyway it is very hard to measure orthophosphate ions with the current test kits on the market. you have to invest about 60$ to buy...

Forum: SPS Keepers

10/11/2007, 05:01 PM

Replies: 279

Lets talk about Vodka/sugar dosing

Views: 21,726

Posted By damura

I dose my kalkwasser at night to balance the...

I dose my kalkwasser at night to balance the natural drop in pH. if i would add vinegar to the kalkwasser solution i wouldn't get the same effect wouldn't i ? (vinegar is acidic therefore titrating...

Forum: SPS Keepers

10/11/2007, 04:21 PM

Replies: 25

Pale SPS ????

Views: 1,400

Posted By damura

Hi Pennoyer, The question you're raising...

Hi Pennoyer,

The question you're raising here is bugging every SPS keeper at some point in life. from reading a lot of material about the subject i reached the conclusion that there are 2 main...

Forum: Advanced Topics

12/23/2005, 02:22 PM

Replies: 5

Dying Montipora

Views: 282

Posted By damura

Too small to see??? you have to click on the...

Too small to see???
you have to click on the photo, it will spread on all the IE screen.

Forum: Advanced Topics

12/23/2005, 05:56 AM

Replies: 5

Dying Montipora

Views: 282

Posted By damura

Dying Montipora

Hi everyone,

Does anyone here has an idea what disease is this:

http://photos.walla.co.il/dazurt

Enter the Dying Montipora Album and click on the image.

thanks.

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