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Thanks for your replies Rama - delay in responding has been due to pool shop not keeping appointments, as I feel rather too timid to do the work myself on the multipoint. Also just now the Hayward pump has sprung a leak underneath so perhaps both should be completely replaced, they must be 20+...

Yes, actually think it does discharge more when running than when off. Waste pipe goes down to end of garden and empties into ground about a foot under the pool waterline - but difficult to see any water as pipe buried. Any ideas as to life of Multiports? Any suggestions as to new one? Also...

On an inherited inground concrete pool, perhaps 20 years old. At random times after backwashing the Hayward sand filter with an old Multiport valve ('SFC' brand if that means anything) so the handle will have been revolved 360 degrees and put into two positions - 6 o'clock for 3 mins, then 10...

Problem I've found is that it has trouble climbing the walls if there is any small kind of algae or loose plaster-sand around. I think the filter gets clogged v. quickly. Maybe the bottom plate attachment which slightly lifts it off the surface would help me . I'll buy one and see.

Exactly what I thought!! But dealers always ask 'What was the pH?' when I say robot climbs wall once or twice when it's first started, then makes efforts but gets nowhere except the floor!

Is it true that pH is important so that automatic robots can climb walls? And IF this is true, why please?! I'm puzzled!

Today the tests are: Bromine 1.5 pH 7.4 Alk 60 CH 266 There is mild algae build-up on the walls which when brushed just slightly vanish - I shock usually about twice weekly because of the high UV factor and this clears algae. I was sold the idea of bromine by the dealer when he remade...

Difficult to remember, but I think pool probably was brushed within two weeks....

Last year the pool (inground concrete) was totally resurfaced with plaster (sprayed on after old had been scraped back and new applied about half-inch thick, then smoothed over to finish.) Now, 18 months later, it's possible to just rub your finger lightly over the surface (underwater) and tiny...

Thanks waterbear - I'll be good and do as you say :goodjob:

Thanks waterbear. It was the former (tablets). So can I continue to use bleach to shock without anything else (as you say the bromine will remain....for ever and ever??) or do I go back to the regime of using a large amount of bromine tablets plus, fairly often, bleach to shock. That method...

Thanks Randy for that research - problem solved I think!

Last year I posted about my problem of wanting to convert to chlorine an outdoor bromine pool that had full sun. Had interesting replies (thanks to you all) but the final, unanswered question was this... 'If I now add chlorine shock AND chlorine tablets to the feeder, I'm wondering if, in...

Thanks Randy for your quick response - changing from plastic to Sponge. But I think Aquabot is different to Tiger Shark (also Hayward 'Aquavac' over here in France) as I don't have those arrows and I think I need to remove the cover assembly to replace the complete roller - ouch!

I need to change to sponge rollers from PVC plastic toggles on a Tiger Shark Drive/Hayward Aquavac Drive. If anyone has done this - can you please tell me how? Thanks! :?

Thanks MJCP for your posting. Your situation sounds v. similar to mine, here in France. With an inground concrete pool of 21,000 G in exposed sun, it was of course stupid of me to be sold an automatic feeding bromine system - but now it's done I have to make the best of it. BUT if I now add...

Thanks for the speedy reply Matt. No problem with emptying the pool I think - as it's a concrete one that's just had a new lining applied over the old concrete. I'm wondering though, if I stayed with bromine and shocked the pool each week with a really good dose of chlorine shock if the...

With a 21000 gal outdoor pool in sunny position in France I was sold the idea of using bromine with an auto feeder. Useless (if I had but known of this forum first!) as impossible to keep the level high enough. So, would it be difficult to change over to chlorine using the same gear and not...