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Test Strips are wildly inaccurate and unreliable, best to read the pool school article on test kits pool-school/pool_test_kit_comparison for further information. A colour formed on a test strip which is lower or higher than that displayed is exactly that - lower or higher than the value...

http://www.ebay.co.uk/itm/Wolf-400w-Cle ... 3ca75ae144 is the type I got off eBay for less than GBP£30 (USD~$40) Something like that is ideal.

I have a similar train of thought, In my opinion running at night rather as at day is only really worthwhile where the house has an off peak electricity meter and they are mostly extinct nowadays.

Quite correct, however as this thread is in a Just Getting Started area, it is prudent to point out the whole story regarding the issue of CH in Liner Pools, in order that the poster may investigate and decide as they see fit.

Totally agree, I release different chemicals in front of returns in quick succession however for the purposes of a public forum, giving advice based on ones own experience which is venturesome at the least should be avoided.

As an alternative to the above, you can bring it upto shock level at the end of the day, it is safe to swim at below shock level so if your shock level is 20ppm, it is safe to bathe at 19.99ppm FC you can retain a high FC residual throughout the festive period before commencing with either drain...

In which case: FAS-DPD DROP KITS Palintest sells the FAS-DPD drop test kit SP300(£33.40) or SP400(£36.20)(With Oxystop) direct minimum order value with palintest is £50net (VAT & Postage to add) http://www.palintest.com/contact-us.aspx You would therefore need to buy 2 SP300's as a minimum...

And this thread. I asked the same question re CH in Liner Pools and am now satisfied that maintaining CH has no real effect in a liner pool at protecting impellers & heat exchangers in plant equipment calcium-hardness-and-ph-alkalinity-t21461.html

Excellent point!

Far easier and simpler to do so, it's easier to correct and rebalance the pool water than starting the spa from scratch. This is all I ever do when tree is a pool and spa in the same location

Aldi/Tesco/Asda all stock cheap unscented bleach which can be used, Domestos is stronger and gives more available chlorine per Litre, but more expensive, I haven't worked out what store bleaches are best as I am in Scotland and need Calcium Hypochloite to keep Calcium Hardness up, as you are in...

I can list some suppliers that I have experienced for chemicals and testing equipment. http://www.swimmingpoolchemicals.co.uk/index.php Supplies chemicals with next day delivery, in my experience their prices are very good and delivery costs and expidited time is low They also stock certain...

I have updated the thread with more information, I did discuss the possibility of bringing in TF100 kits with duraleigh but the £ volume would not of been sufficient to justify some type of franchise agreement between us, so we are still stuck with either cheap kits or expensive ones i'm afraid...

Correct, bromine is slightly less work, but for the home user, chlorine is fine providing you keep it in check.

Does your spa have long periods of stand stills? - ie how often does your filtration system run and for how long does it run each time? It may well be a bather contamination issue, given that you stated that your daughter's jumo in with make up etc still on, that would be a major contributor to...

Most products designed for flushing or deep cleaning a spa will operate more effectively with removal of the filter. Correct, leaving it in is the safest way, however if your using a product designed for deep cleaning it may not work as well, it is best to follow the instructions by removing...

Unsure about drop kits, but with comparators and (basic) photometers (ie DPD reagents) you can test the bromine residual using the chlorine DPD reagents and multiplying the result by 2.25 for a bromine residual, hopefully someone with knowledge of Taylor Tests can confirm or decline if it works...

Cept for large local authority pools, it's all I ever use for acid, and cannot report any problems with it. I have known about the sulphate increase, but in my experience it is negligible, Muriatic Acid is certainly cheaper and more effective, but that can be balanced with the easier storage...

Using this method is dangerous and against safe working practices, for safety you should leave at least 30 minutes between each chemical addition.

Re: Just drained, and refilled my pool. First off I would get a chlorine residual present, you should wait around 30 mins between adding different chemicals. Secondly I would then concentrate on Total Alkalinity/pH. Stabiliser will take upto a week to dissolve, placing it into a sock and...

For chlorine to be wholly effective with a CYA level of 98 you should be shooting for a FC residual of 7-12ppm, so actually your chlorine level is too low at the moment. You should consider diluting your pool water to bring the CYA level down, replacing 50% of your water will reduce your CYA by...

I would just add that the majority of threads where shocking is discussed and/or advised is new users to the site tired of the runaround with various chemicals from suppliers. Flocculant certainly has its uses, however is not required for sparkling water where the operator has a satisfactory...

Hi, how are you reaching your test results? Are you sure your CH is 3,300? How did you arrive at this value? Regards Stuart

Lower your pH to 7.2 and then start the shock process until you pass the OCLT as described in pool school, the higher the pH, the lower the effectiveness of chlorine, during the shock process you should also disable your SWG Regards Stuart

Ha ha, just copy Chicago's river St Patricks Celebration in Blue ;-)

Apologies Dang for not answering your question re the pump, I had to go check the plate again! It's an Astral Victoria Plus 3hp, I searched again online and found 34m3/h@10m head which equates to 3.74hrs per turn so my maths was off before with roughly 1.06 turns per 4 hour run. As that's the...

Thanks for the feedback, perhaps I didn't explain myself sufficiently, It is already clear, sparkling water, the photos just don't do it justice to be honest, and are to demonstrate the effect the liner has on the waters look. Basically I am realistically looking for options too override the...

same again, from everything I've read, providing the tile & plaster is protected you shouldn't have a problem. I would say it is dependant on your weather situation during the winter how far you need to drop the pool water level, if 2" has been working for you the last 5 autumns, then I guess...

Any experience I have had with Sodium Hypochlorite is in 20l (5.25 USG) plastic drums, with a dosing pump which fits into the drums lid, with a reasonable space for ventilation around the lid. Keeping the drum in a cool, dark, reasonably ventilated area will help reduce loss of available FC...

I should of anticipated those questions! It's a Sand Filter with a run time which has been increased to 4 hours per day, which calculates a 1.75 turnover (best guestimated) The OCLT has been passed several times I'm unsure if borates have been banned or not but Boric Acid is readily available...