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thanks guys - unsure of heater, and in fact it didnt cross my mind, however if there is one on site (i will confirm) it will be a titanium heat exchanger unit Apparently the shop is sending me a sample by post, my fingers are crossed the envelope doesnt rip mid transit and cause panic in the...

Right - im stumped, for the first time in 12 years of supplying algae treatments i thought i had seen it all, and somewhere in the back of my little mind i think i have seen this before. its a white large flakey, almost calcium looking algae originally i lent towards the SWG and possible...

i would doubt if it was plaster. Is it the same colour as your pool surface ? lack of vacuuming generally doesnt cause the plaster to fall off

aside from the fact that there are some fundamental flaws in the whole thing i would also have been interested to see what kind of result they got to base level asthma they got in a town with no access to a swiming pool, either indoor or outdoor guess this will be another paper to be apearing...

if you are getting oasis nova falls - my suggestion would be to look at their savi system use a SaVI source LED fibre iluminator instead of the noisy halide ones you can then match the colour change up in the pool with the savi note/ savi melody light system we have sold around 300+ of these...

Without wading into this debate ...again i agree with the below

This one is the absolute best :goodjob: Oh no - i was wrong - this is very soon we will see 3. Chlorine is produced by Al Queda and is responsible for global terrorism :blah: :blah: :blah: :blah: :blah: Looks like the ioniser manufacturers have a new update out now - addition of...

Fotunatley i have been involved with this pool since its construction a few years ago, unnfotunatly in the lighting side only, and not the filtration/hydraulics, which is seriously lacking in a bit of common sense..... much like the future maintenance by a service company. The valet had been to...

surely a test kit would be a lot easier ? :?: :?: :?:

We often see case's of mustard algae over the summer here, and have a method that has always fixed As mentioned straight copper based alagecides and phosphate removers as killers are a waste of time for a quick clear, and based on the high levels of chlorine required to kill this persistent...

precisely what i was trying to say - its totally horses for courses, and like having auto insurance if you are a not so good driver :cheers:

It is marketing material from lo-chlor, has been on our website for around 5 years Lo-chlor source the lanthanum from the usual supplier, however they have added secret herbs and spices and patented this in australia, it does not cause cloudy water when added, why i dont know, i am certainly...

As much as i love to wasde into the debate on phosphates and lanthanum....... There are lantanum compounds that do not require clarifiers added after application Chlorine is the best algaecide in the world 99.9% of pool owners do not maintain the chlorine level in their pool as they should...

The slower the water goes through a sandfilter the better, this is part of the reason why commercial tanks are so big (not just fiction losses and bigger pumps/pools) but their recommended flow rate is a lot slower than a domestic pool (gpm/squarefoot filter)

and my thinking after running hydraulics training courses in NZ for the last 18 months after 10 years in this industry is that most builders have no idea why they put certain equipment or pumps onto pools, infact a common sales pitch is to offer to "upsize the pump" i am of the firm belief...

as a quick guess looking over the hayward pump curves you are going to be getting around 100 gpm flow im taking a guess on volume as im too mentally retarded right at the moment to figure out the metric equivilant but... you should have around a 5 hour turn over, therefore run for 10 hours a...

yes a pump can be too big, and there is no point in using a motor bigger than you need as you are simply paying more to run them than you need too however some more info on your pool would be helpful, ie, size (volume) pipe diameter 1.5" or 2", filter size (diameter) these all play a...

Well something i stumbled across on an australian website two of the mroe interesting claims "a lot of public poolsi n the USA use ionisers" "Q: Do I still have to add stabilizer (isocyanuric acid) to the pool water? A: No, stabilizer is used to maintain chlorine levels in pools that use it...

Some pump motors may have a 220VAC input, however there are a few thigns to bear in mind most 220VAC/240VAC motors are designed to run on a 50Hz power cycle while your 110V power is 60Hz. This cycling makes more of a difference than the input voltage. running a 50Hz motor at 60Hz is not such a...

stay tuned for some goodness out of new zealand over the next 8 months or so have just bee nappointed to the standards board for a re-write of our swimming pool water quality standard.... may be the first country to adopt a cya / fc relationship

vitamin C is a waste of time on copper Suphumic acid works pretty good - however dont think it is either the easiest product to get a hold of, or nicest to use i have had good results with Lo-Chlor chemicals (www.lochlor.com) They are an aussie company but have manufacturing/distribution in...

I wouldnt use the fish if you have kids around - the ingreedient in there is bound in isopropyl alcohol and fairl poisonous the actually product does work alright if you apply it daily, rather than in one hit like the fish. done like that you dont get the oil slick on top of the pool for...

The Australian Zelbrite company to my knowledge is the only one who has gone to the expense of having independent lab testing done through the university of adelaide, and are achieving filtratoin below 3 micron. There is a areason that they dont publish this study online - and that is because...

there is unfortunatly not a lot of option for that sized bulb. Leak would be one quick killer, and moisture in the cable from a previous water entry is another sure fire way to blow a bulb prematurely, and much harder to check for LEDs are the only option for a longer life - however like you...

RE-cycled glass is the latest "fad" however after seeing it in operation for a couple of years here (in new zealand) we are now starting to see the following fine dust coming back into the pool. This is caused by the fact there is no consistency in the hardness of the glass. It uses bottles...

My personal preference is for not adding things to the skimmer, partly due to the fact i sell a lot of gas heaters, and for most people when an instruction reads "add slowly or do not add more than 1lb at a time" they read this as "put it all in and a bit more for good measure" :hammer: I...

Cracked lateral is most likely - however would pay to check the spider gasket inside the valve first as this is usually easier than emptying the filter

what about a robot - theres the dolphin cleaners and another model easily available and both get good reviews neither need a boost and clean better than most

They dont know and the bags are not labelled and you can bet your bottom dollar that the person selling it to you does not either "hardness" of the product is measured on the Mohs hardness scale and is logarithmic like pH. There are 3(from memory) mines in the world with the very hard zeolite 7...