Does anyone here have experience with the DE filters with the grids in a pit with an open top? They are vacuum filters, not pressure filters. The facility where I work has these, and I want to learn more, but it seems few people have training/experie
Read more…Hello everyone!
I have a spa "jets" issue that I was hoping to get some help with.
I have a client with a pool/spa combo with a VSP. The jets (7 of them) are on the spa return manifold and are opened by a valve actuator. There is a cut "air" line (2"
Read more…What tips do you have about integrating solar pool heating systems into existing pools with in-floor cleaners? With the high head pressures required by these cleaners, many existing pumps are not capable of the flow rates needed for effective solar p
Read more…
Hey gang,
I have a strange one here, hoping you can help. Customer has pool with separate inground spa, with half of the water below grade and half of the water above grade. There is a flagstone cap without coping on the top wall of the spa, which loo
Read more…I see a lot of plumbing installations that mention having straight pipe runs of 3x dia of the pipe minimum before the pump. Whilst I understand why that would be for a normal water pump, almost all pool pumps break this theory by making the water tur
Read more…I am looking for a combination chech valve and flow meter. I have seen called "Flow Viz". Where can I buy one?
Read more…what is the best way to plumb from a fiberglass pool , would you add a skimmer or add a couple or so fittings to the side wall. slide requires 130 to 150 gpm will use 2" plumbing
Read more…since i suspect someone else might have run into this problem, i'm posting it here:
i replaced a pump motor a couple weeks ago (hayward maxflo 1hp) cuz the bearings were squealing. but since then a mysterious problem has persisted: the system won't c
Read more…I am doing research for a story and I wonder if anyone can point me to research on turnover? In particular, has any research been done that demonstrates what percentage of a given pool's water actually goes through the filter during "a turnover?"
Nea
Read more…Does anyone have a link to the article that came out within the last couple years detailing the fluid flow of water within a vessel, with and without the drain running?
I don't remember if it was in WaterShapes, or one of the other trade publications
Read more…Having a lot of trouble finding friction loss charts for flexible PVC, anyone have some insight, or the charts?
Read more…Is it possible for a filled gunite pool to float? I have come across asituation where it appears that a pool (not built by me) has floatedwhile the water was still about 3/4 full. Has anyone had any experiencewith this or have any ideas where to go
Read more…Hello all,I have a client with a water feature that is constantly getting leaves stuck in the impeller. The water feature has 2 drains plumbed 3", and no skimmer. It has about a 30 foot run to the equipment. At the equipment is a 3/4 HP Max-E-Glas. T
Read more…hi guys,i've got a problem with a paddling pool, and i was wondering if anyone had any better ideas than stripping the pipework/putting in a new valve.basically, the pool has a massive surface area:volume ratio, and the filter screens provided by the
Read more…Hello to All,We have, two VE Pools this Year Already. One Vinyl and One Gunite. The reason for the Discussion is we have Never Used Check Valves on The VE Basin Pump. I was just Woundering The Different ways Orther Companys, have put an Air Vent Syst
Read more…Here's the history, the logic, and the science - download the case study attachment - then please comment.
Read more…If you are a member of the "pool industry" community, you have found your home.
This is a network of pool builders, service professionals, retailers, and pool sales reps,…
Swimming pools are often associated with luxury, relaxation, and endless summer fun. But there's more than just the allure of crystal-clear water that leads a…
The Journal of the Swimming Pool and Spa Industry is coming back! JSPSI, a peer-reviewed technical journal, began in 1995 as a subscription-supported print-based publication. It contained articles at a technical…
All pool plaster finishes should last 20 years or more. However, some last only 5 to 7 years, and some less than a year before the plaster surface deteriorates, discolors, and looks terrible.
Why the difference? Very often, plaster…
For 50 years, the pool industry has considered pool water within an LSI of -0.3 and +0.5 to be acceptable and balanced. But recently, and without providing any supporting science or research, the NPC is trying to convince the industry that any…
There are two important issues involved when trying to achieve quality colored pool plaster that will remain durable, attractive, and the proper shade for many years.
The first issue is to utilize superior workmanship practices to achieve…
