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Hayward T-9 (W3T-CELL-9) purchased exactly 1 year ago for a tiny 8,000gallon heated pool. Kept it heated and covered most of the winter in Atlanta area and kept good chemistry except my pH seems to average around 7.8 with frequent acid addition. Usually run the cell at less than 5% in order to...

I had a diamondbrite installed last October on budget (myself and couple stucco guys). Everything went fine except one genius attending the paddle mixer got destructed and let the diamonbrite settle inside the mixer towards the very end. I had to refocus on saving the paddle-mixer and let the...

I had posted earlier about chasm between the theory and practice in pool plumbing (especially when it comes to finding 2.5" compatible equipment). So, I conducted little non-scientific science experiment with different pipe sizes/length and their impact on flows. Hopefully, this will help others...

First of all, I have tremendous respect for and have benefited from the TFP forum, this is why I became a supporter and plan to continue contributing to the forum. I am saying all this because I feel that few established members of this forum may have vested interest in the TFTest and hope this...

What is the impact of pipe size on the water pressure: even with normal GPM, can larger pipes drop water pressure significantly? and is it possible to measure? More specifically: I have small 7,500 gallon pool with very small head loss and 2 inch piping. Also, my equipment is about 3' above...

Had my pool plastered with diamondbrite a week ago and depended on Leslie's Pool supplies on helping with start up (big mistake). While their recommendation's were correct about alkalinity and ph, the additive for increasing hardness was completely off. I guess my water was already hard enough...

Just started the new pool (13,000gallons) and have two unusual issues that could possibly be related any advice on troubleshooting will be appreciated: The cartridge filter is Pentair 160353 (200sf) with water coming out from the release valve as it supposed to and pressure gauge showing 10...

I have option of connecting the pump to either 230 or 115 but always assumed pumps ran better with 230 and this was my plan. I just noticed the efficiency with 115 connection is higher (WEF 7.3 vs. 6.6). Is there another compelling reason to use 230v connection? horsepower and other stats are...

I have a new pool (finishing up plumbing) and have been meticulous about reading codes/recommendations/best practices/etc. on GPM and plumbing requirements. Now about to finish my plumbing (equipment side) and having trouble finding right fittings that makes me wonder about everything I have...

Leaning towards the off-line feeder but wanted to see if others had a different suggestion since in-line is preferable by default: In-line chlorine feeders (that I found) have 2" piping and further restriction in the middle (maybe 1.5" or less) that may be a bottle-neck? I have small 11,000...

I have new DYI pool that is finished in smooth stucco/plaster. Surface is fairly smooth but the colors are not even and looks ugly. Was initially planning on painting it with two part epoxy but getting unequivocal advice against it. It seems plastering it is the only option (not sure if stucco...

There are number of posts with I feel like i am in a unique situation: My pool (new built DIY) is finished in stucco over concrete (not sure if stucco is substantially different from gunite in composition). Its basically waterproof but ugly and needs to be painted. Painting is the only...

I read somewhere but can no longer find the source or name: There is a valve that allows certain GPM to go through and anything over gets redirected (bypassed). Here is a specific example: If a heater can handle up to 10GPM but the overall system flow varies from 10-30GPM, valve (or something...

Starting to build a new pool (actually, halfway done) and having trouble reconciling piping recommendations based on GPM. Based on what I have read, 2" piping only supports around 80GPM (or 63GPM on suction and 84GPM on return side). There are other small variations across websites but its...

I have a relatively small pool (15K) with attached spa. Pool requires about 30GMP and spa needs 100GPM (10 10GMP jets http://www.waterwayplastics.com/manuals/810-0023.0109.pdf). I could use a single variable speed pump but 100GPM exceeds what my cartridge filter or pool heater can support...

Trying to figure out the best placement for my sub-panel and reading electrical codes did not provide a clear answer. So, here is the situation: Equipment pad is about 25' from the house (main panel is also about 25' away - just inside the wall on the side of the pool). I am running 1.5HP VS...

Hi, I am new to the pool building and trying to better understand and follow various codes/requirements. Considering this pump and the instructions say: Install a minimum of 5 feet (1.52 meters) from the inside wall of the pool and spa. Canadian installations require a minimum of 9.8 feet (3...

I am building a small 8,000 gallon pool with around 17GPM (2x8h turnover) requirement for the pump. Feet of head is minimal (5-6' for either main drain and skimmer) and have large cartridge filter and plan on salt chlorination So, my filter needs to be really small. Unfortunately, I cannot...

I am undertaking a DIY pool project and have been reading quitea bit about the plumbing – trying to make it perfect and save me money and hasslein a long run. Still, tubes seem little undersized after the calculation andwanted to make sure I am not missing anything before putting the piping...