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Test Kits »

AquaChek Test Strips - Bromine

$12.73 inc GST ($11.92 )

Comes in a pack of 50. Tests for Total Bromine, pH, Total Alkalinity and Total Hardness.

Bromine

Bromine is a popular pool and spa sanitizer often used instead of chlorine. Bromine has some distinct differences from chlorine. One advantage is that bromine works better for spas / hot tubs (with hotter water and lower water volume) than chlorine does. On the minus side, bromine is sensitive to sunlight, deteriorating rapidly when exposed to the sun. It can also be more expensive than chlorine. For these reasons, bromine is less popular than chlorine for use in outdoor pools.

There are two forms of bromine, free and combined. Together these two are called total bromine. Both forms of bromine are sanitizers, meaning that they can kill bacteria, algae or other living organisms in the water. Be sure to use a test kit that measures total bromine, since that is the best indicator of the level of sanitizer in your water. The ideal concentration of total bromine in a swimming pool is 3 to 5 ppm. The ideal in a hot tub or spa is 4 to 6 ppm. (In spas the level should be slightly higher level due to the smaller volume and the higher temperature of the water.)

You have to monitor the bromine level continually, almost daily, as it will fluctuate constantly. Environmental conditions (leaves, rain) and usage (how many folks are enjoying the pool or spa) will add contaminants in the water. Those contaminants will decrease the bromine existing in the water. Be sure to test the bromine before entering the water. Even if the system is dormant or not in use, you should test the bromine level at least weekly to prevent any build-up of bacteria or algae.

pH

We use pH as an index to express how acidic or basic a solution is. (The scientific definition of pH is “the negative logarithm of the hydrogen ion concentration”.) A pH greater than 7.0 is basic, and a pH lower than 7.0 is acidic. In pools and spas, it is important to maintain the water in the slightly basic range of 7.2 to 7.8. The National Spa and Pool Institute (NSPI), the industry association in the United States, has set a standard of 7.2 to 7.6 as the ideal pH.

If pH Is Low:
 

Alkalinity

Total alkalinity is the measure of the amount of alkaline buffers (primarily carbonates and bicarbonates) in your water. These alkaline substances buffer the water against sudden changes in pH. Total alkalinity is considered the key to water balance. It is the first parameter you should balance when making routine adjustments to your water.

If you neglect to check the total alkalinity in your pool or spa, you may have trouble balancing the pH. You may also notice that pH fluctuates suddenly despite your best efforts to keep it in the ideal range. If the alkalinity is too low, anything introduced to the water will have an immediate impact on pH. Abrupt shifts in pH can cause scaling or corrosion of metal equipment and fixtures as well as other problems. When the total alkalinity is high, the pH has a tendency to drift upward, causing scale to form.

Maintaining an ideal level of alkalinity will protect your pool or spa and its equipment from the harmful effects of sudden pH fluctuations. Think of the alkalinity as training wheels: it keeps the pH in balance without allowing it to tip too far to either side. Of course the pH can still drift upward or downward, but that change will happen gradually as long as the alkalinity falls within the ideal range. The ideal range of total alkalinity for pools and spas is between 80 and 120 ppm (mg/L).

When the total alkalinity is too low, add sodium bicarbonate. If the total alkalinity is too high, you can lower it by using muriatic acid or sodium bisulphate.

 

 

Hardness

Water hardness occurs as an indirect side effect of various chemical compounds. Calcium and magnesium are the two primary minerals that make up hardness in water. Like alkalinity and pH, hardness affects the tendency of the water to be corrosive or scale-forming. (Scale is a deposit that forms on pool walls and equipment when the mineral content of the water is too high.) By maintaining the ideal ranges for hardness and alkalinity, you can keep scale formation to a minimum.

Low hardness levels require immediate attention! They can be very dangerous to your system. Water that is not properly saturated with hardness—water in which the hardness level is too low—will be very corrosive, causing significant damage to metal pipes and fixtures as well as plaster. You must be sure to balance hardness before adding any sanitizer to the water. Otherwise, the water will become even more aggressive (corrosive); it can cause severe damage in a short period of time.

When the hardness level is low, increase the hardness immediately to limit the damage of corrosive water. You can increase the hardness level by adding a chemical like calcium chloride. When the hardness level is too high, excessive scale formation occurs, and the water may become cloudy or discoloured. Elevated pH and warmer temperatures will increase scale build-up too. If the hardness level is too high, you can partially drain and refill with fresh water.

The ideal level of hardness for your pool or spa water is from 200 – 400 ppm (mg/L). You should test hardness when adding fresh water, and re-test until you have balanced the water hardness properly. After that, test hardness a minimum of once per month throughout the season. If you use calcium hypochlorite as a sanitizer, you need to test more frequently to ensure that the level has not exceeded the upper limit.

 

  • The water can corrode surfaces, metal equipment or fixtures.
  • Swimmers and bathers can experience discomfort from burning eyes and itchy skin.
  • The chlorine may dissipate more quickly.
  • The water may cause pitting and etching of plaster surfaces.

If pH Is High:

  • Calcium and metals tend to come out of solution (the opposite of dissolving) at high pH levels, creating the potential for staining and scale formation. The calcium and metals will actually create deposits and discoloration on pool walls and equipment.
  • Swimmers and bathers can experience discomfort from burning eyes and itchy skin.
  • High pH can contribute to cloudy water.

 


 
 

          


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Testimonial's ....

Ross B, Duncraig, WA
Hi Direct Pool Supplies, I want to thank you for the rapid response and postage on the recent Chlorinator item which I purchased from you. I am extremely pleased with your service and promptness. THANKS
January 17th 2014

Stephen B, Murrumba Downs, QLD
Thank you for the excellent service however I received my Poolrite SQI500 pump on Friday but on opening the parcel on Saturday I noticed 2 pieces of black plastic visible inside the strainer box. On further investigation I found that the o ring seal area on the inlet pipe was broken rendering the pump unusable....
Hi Stephen, Very sorry for the damage. Can you box the pump back up and put our name & address clearly on the box & we will arrange a pick up...
We received the new pump promptly as promised and I fitted it on the weekend. It is working well. Thankyou again for your excellent service and I will be sure to recommend your site to my friends
January 5th 2014

Andrew, Woy Woy, NSW
Hi Team Thank you for the fantastic service. Pool Volleyball has just arrived. That’s only 24 hours!!!! Terrific!!! Merry Christmas
December 18th 2013

Sarah, Raby, NSW
Thank you so much for your assistance. We placed our order today for a pool cover and I just wanted to let you know that your prices even including freight were the most competitive in my whole local area... so thank you for not only your wonderful assistance last week but also supplying your customers with great prices. Best wishes for the upcoming Christmas season
December 15th 2013

Cheryl W Tamworth, NSW
Hi all Ordered and paid for Friday – delivered on SUNDAY less than 48 hours later. Prompt, efficient and helpful Thank you so much for such great service
December 8th 2013

Jim E, Auckland, New Zealand
I received my salty cell this morning – no problems I must compliment your crew and DHL on such speedy processing and delivery – well done.
December 3rd 2013

W.T. (Bill) Edwards OAM, Cooroy, Qld
We have just added you to our favourite list. Purchased Solar Controller MS3D Monday installed in QLD today Wednesday. Just the best service and I thank you for the fast & efficient service. Gold medal to all involved. You should be running the Country. We know where we will be making all our purchases from now on.
October 2nd 2013

Christine, Theodore, ACT
Thankyou for your prompt despatch! When you need a pool pump, you need it asap and it couldn't have arrived any sooner! Once again, great service!
September 19th 2013

Steve Ridley, St Marys, NSW
Just wanted to thank you for the excellent customer service in arranging the replacement skimmer box which I requested on Monday. We received a call from Sterns on Tuesday and the part arrived at our address today (Wednesday). Happy for this message to appear on website
September 18th 2013

Les Simons, Crescent Head, NSW
Have just noticed how quiet my new davey pump Silensor is. Ordered from your company last Monday afternoon and delivered to my post office on Wednesday and installed on Thursday - and now really noticing how quiet it is. Once again good advice,great prompt hassle free service from your staff and excellent delivery time from Australia post ( have had products sent via well known couriers who guarantee or rather say 24 hr or even overnight delivery which can end up being 7 days or not at all and recently damaged.) Having previously purchased a replacement chlorination from your company and totally satisfied I just wanted to say thanks for the service and advise that I will recommend you to anyone.
August 26th 2013

John R Halsall, Rosemount Queensland
Today I received my filter cartridge and I would like just to say thank you for your prompt service. I was told here in Qld that this model was obsolete but thanks to your firm and help from staff I do not now require a complete filter as told up here
July 5th 2013

Frederick Bezuidenhout, Westlake Queensland
Wow What an amazing web site to get spares for the pool pumps etc. Thanks great experience.
July 4th 2013

Patrick Laguionie, France
Hi, Thank's a lot for the products and the very fast delivery ! All was OK as always ! sincerely
July 2nd 2013

Miklos Dombay, Hungary
Your postpack was arrived to my brother in Hungary. The instrument is perfect, already installed and it is working very well. Thank you for your perfect job and cooperation.
July 2nd 2013

Peter Butcher, Chonburi, Thailand
Just a short note to say thanks for your assistance supplying my Minder salt cell which I received early in the week. I waited until I had the part fitted to get back to with this note but yesterday I had the time to redo the plumbing as the salt Cell connectors were of a different model than I had installed on my water system however I got it all sorted eventually and the unit is working well. Thanks again and I will surely be returning to your company if I need any other pool parts which I have difficulty with here in Thailand.
May 10th 2013

Darryl H, Boondall, Qld
I received the items this afternoon so thanks for following this up for me. One mistake though, in the order I had ordered the Poppit Quick Fix 1Kg, however I was only sent the smaller 475g. There is no point in sending this one back to exchange for the 1kg so can this be fixed up some other way... Thanks, this arrived today. I wasn't expecting a full 1kg (another half kg would have been fine) so thank you for sorting this out and going the extra effort. I will definitely look at purchasing from you again
April 26th 2013

Jennifer Clausen, Scottsdale, Arizona. USA
You guys are AWESOME!! I placed my order with you on Sunday March 31 and it arrived in Arizona, United States on April 4th! That is faster than I could have received the shipment if I would have ordered in my same state! The new salt cell was packaged perfectly and was exactly what I ordered! Thank you so much
April 5th 2013

Bill C, Cashmere, Qld
Just wanted to say 'thank you' for the great service fron DPS. Aust Post delivered the cell 20 mins ago and I am about to instal it. The delivery man even beat the tracking email!! I find that quite amazing for it to get from Cardiff to Brisbane in less than 24 hrs when an Overnignt Express envelope to my office in Sydney CBD can take up to 3 days!!
March 26th 2013

Nick Cave, Biran, FRANCE
Got back finally on Friday night and just wanted to thank you and your team for your help and excellent service. I was greeted at the hotel by ‘We have a parcel for you Mr Cave’ before I had even signed in! Just waiting for the temperature here to rise a bit to get the pool back working…enjoy your winter!
March 11th 2013

Ben D, Wilton, NSW
Hi Guys, I just spoke with a man about the Waterco Hydrostorm 125, I need to order one of these ASAP as my pool has started turning into an algae-orgy.... Thanks very much mate my wife just received the pump….next day delivery is absolutely fantastic!! Thanks again for the wonderful service. You have my permission to include this as a testimony as well if you wish
February 21th 2013

Veronica M, Perth, WA
Just a short note to say thank you for sending us the grab rail. My husband fitted it for me. I am pleased to tell you that I would reccommend your Company to anyone as you were very quick with the dispatching of my purchase. It arrived in WA in a week, I am very happy with my purchase, and have enclosed an attachment of the finished product.. Cheers,
February 13th 2013

Jann N, Randwick, NSW
I would just like to thank you for the efficient service. I received my Polaris in an incredibly fast time. I was very impressed and will definately be using you again for all my pool equipment/supplies. Thank You
February 4th 2013

Steve, Ocean Shores, NSW
Many thanks for that. Great service. I received the new chlorinator yesterday, up and running beautifully. Merry Christmas!
December 21st 2012

Sarah Trinity Park, Qld
Thank you so much for our Zodiac V3 Robotic Pool Cleaner. It arrived really quickly and although I was hesitant to spend so much money on a pool cleaner I couldn’t be happier with the product, I have a lot of trees around my pool and the filter/vacuum never seems to get enough suction to do a good job. My pool is the cleanest it’s ever been and so little effort from me! I would highly recommend this product to anyone!
October 21st 2012

Patricia Abermain NSW
Good Morning I am not usually a "shop on line" person, but heard your advertising on 2NUR FM and decided to look at your web site. The whole experience was so simple and easy, I would recommend Direct Pool Supplies to everyone. I ordered a Daisy Pool Cover on Thursday afternoon, and it arrived by Courier on Tuesday Morning. I am certainly a very happy customer. Thank you
October 19th, 2012

Mark O’Neill Old Bar NSW
Hi Direct Pool Supplies, I ordered a Zodiac Pool Chlorinator from you on Sunday night. The item has arrived today (the next Tuesday). Thankyou for your superior service, great product range and exceptional delivery time, and not to mention great price and free delivery. I will be spreading the word to my neighbours and friends. Thankyou again.
September 9th, 2012

Michael Staples Ringwood, Victoria
Hi Mark. The Hurlcon CTX-400 arrived today. 2 working days. I'm impressed. I just wanted to say thank you for your impeccable service, quick response to my queries and of course fantastic price. Keep up the great work. I'll use you again and have no hesitation at all to recommend you to others. Thanks again
September 3rd, 2012

Thomas Thullner from Austria
Thank you for the perfect service. I order last Sunday and received the delivery on the other side of the world on Friday! Even order within the country took longer!
July 21th, 2012

John Burgess England, UK
My order was delivered safe and sound yesterday to the UK in 6 days. Great service and thank you very much I will use you again
July 17th, 2012

Mike Adams Toorak Victoria
Hurlcon CTX 400 slotted in and is working fine - many thanks for your excellent support. I have a saved a lot of money sourcing online - you can quote me
July 7th, 2012

Dr. Guido Lozada Honolulu, Hawaii
Thank you for shipping the package to Hawaii for my solar heating. I received it today. I am sure I am not the only one who might need a repair similar to mine. You could or should market your Repair Parts, through a "Craig's list" or other practical venue
June 16th, 2012

Nicole da Silva
As discussed with you, I am attaching the requested photos of the pool timer that arrived broken in 2 places. As we are unable to use this timer I would very much appreciate it if you could please replace it at your earliest convenience...
Hi. Just letting you know that we have received the new timer. Thank you very much
Thu 14/06/2012

Natalie Bell
Thank you so much for the speedy response to my return of the pool cleaner. I am impressed with the speedy service for both parts of this transaction and manner in which your company has dealt with this return. I will gladly keep you in mind for any future purchases
Tue 05/06/2012

Peter Warner in UK
Hi Mark in Australia, Our pool products [INV-42985] arrived today via DHL after a mere 5 days. Thank you for your excellent service and range of supplies
May 23/2012

Terry O'Brien
Fantastic service my thanks, ordered online Tuesday night, and deliverd in Sydney Thursday morning. Terry
May 03/2012

Jules & Pete
Just thought you would like to know that the timer got here today…..safe n sound….. Thank you for your efforts……You’ve done well!!!!
May 02/2012

Ken Turner
I appreciate your help , and your customer service it is excellent.!
April 27/2012

Wesler Boris
Goodmorning(here at least...) i recived the pack, everything is ok,-thank you. your service was proffesional and fast, so whenever i or my friends will need somthing, i will defently contact you again, thanks again, and best regards from tuscany, italy.
03 aprile 2012

Kylie Boland
This is fantastic, the steps arrived this morning. Impressed with the service and speed will definitely be using your company again and recommending it to others.
November 18/2011

Peter Canham
The order arrived yesterday, oustanding service on your companies behalf. I will recommend you guys to anyone needing pool equipment. Thanks for your patience and help.
March 20/2012

Karinya Interiors
Receiving the P100 Chlorinator Cell on Valentine's day beats the chocolates and flowers my husband bought me this morning, but don't tell him that! The biggest hugest thankyou for your prompt correspondence and to all the automatic tracking notifications from Australia Post. It was such an easy pleasant transaction. Cell is already installed (by me) and working like a dream. I will certainly recommend you to friends. As mentioned earlier we had purchased online from another supplier 3 weeks ago and each time the promises were broken. I suppose that's what you get with a cheap website, cheap service! You guys are like diamonds, rich and rare. Again, many thanks and I will certainly visit your website again.
Februrary 14/2012

Kerry Bellard
Just want to thank you for such an amazing job you have done in sending the pool items to us -----!! I have never received something so quickly.
December 20/2011

Anil & Karen Gonsalves
I must admit, your customer service is exceptional..
I have already spoken to a few people about ordering from you guys. Cheers
December 20/2011

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