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How do you recommed cleaning your filters for your hot tub? I have one of the Aqua Combs to attach to a hose to clean the gunk out but curious if folks use any chemicals for pre or post soak or rinse?

What Salt Water Chlorinators do you recommend for hot tubs?

My pump #1 is a Aqua-Flo Flo-Master XP2 and it's leaking a small amount when it's running between the shaft of the motor and pump area. Is this something I can fix myself? Ideas? --Doug

Happy Father's Day! I'm changing water with Ahh Some and overfilled tub to top of tub to easily get grime off of sides of tub. At some point during this process, the main ruse for the hot tub keeps popping. Any guess at what happened? Think water got in somewhere and shortest something...

Curious if there is an estimate of the depletion rate of CYA in a covered hot tub with limited splash out? I run about 102 degrees and use a SWG with supplemental liquid chlorine deletions after use. I've heard that salt water tubs can deplete CYA faster too but I don't know if that's true...

What do you recommend for cleaning your filters before or after spraying them? Is the Photphate Free version of TSP good? I've heard folks using vinegar if you have hard water? What do you recommend for hard water? Thank you, Doug

I used the Aqua Clarity product and posted this a while ago.... https://www.troublefreepool.com/threads/aqua-clarity-weekly-maintenance-flush-my-experiences-so-far.244181/#post-2146171 I have been using it sporadically and my water quality does seem better (less chlorine demand and less...

Hello Folks, I changed my water several weeks ago. I used muriatic acid to bring down the PH over a couple days but my Alk got down to 40 before my PH became stable at 7.6 using Taylor test. The PH has been stable at 7.6 for a couple of weeks. Would you raise the Alk or is 40 OK. Just to...

I've seen some information about potential links between chlorine in pools/hot tubs and cancer. What are the thoughts of folks about the potential risk of cancer and chlorine? Is this only something to be concerned about at super high chlorine levels? Is the risk in hot tubs worse (compared...

I use Nature2 as an added layer of protection because I tend to keep my FC somewhat low with my SWCG. Does anyone have any experience, seen any research or tests, or read any reviews of the generic Nature2 sticks? They are half the price of the Nature2 sticks but I wonder if they work and are...

I have been demoing the Aqua Clarity purge and weekly maintenance product for a few months and wanted to share my experience and hear about the experiences of others with this product. It is made by the same company as the Aww-Some purge which IS AWESOME. I know many folks on this site...

I have a SWCG that requires salt concentrations in the 1500--2000 PPM range. Every 1-2 months, I need to drain and replace about 100 gallons of water because the salt concentrations get too high (and my SWCG is designed to shut down when salt concentrations get too high). What things...

I'm fixing a 450 G. 2017 Dr. Wellness G15 hot tub that I'm planning to give to a friend or to sell or possibly keep for my cabin. It has only been used for two years. The insulation on this tub seems light. (please see photos below) Would you recommend adding more insulation? If so, what...

I've read (not on this site) about the floating theramal blankets like the one linked below saving electricity bills for hot tubs? Do you think they are helpful in saving money if you already have a decent cover for your hot tub...

I have a buddy buying a new hot tub and good quality hydrotherapy is his TOP priority. What tubs (brands or models) have the best hydrotherapy?

Do folks have experience with the Floating ZorbO Oil Scum Absorber. I used one when I first got my hot tub and it seemed to absorb LOTS of gunk. The idea of physically removing oils and scums is appealing and they cost only about $22 total for the year. Do you feel like these work well or...

I've heard that some states do NOT allow indoor hot tubs to have any CYA. Curious why that is? Also, I've heard folks saying a CYA of 30 makes the chlorine more gentle on ski, swimsuits, etc.? I'd love to hear from folks with CYA of 0 or lower than 30 about their experience with the...

I have a SWG that keeps my FC from about 1.3--3.4 in my 400 g. hot tub. My tub generally just has 1 person and I add bleach right after use to ensure the tub does not drop to zero for more than a short amount of time (probably 10 minutes or less). I add at least enough bleach to account for...

On refill, to get to 30 PPM in a hot tub, can you just add CYA (dry stabilizer not in diclor) directly to water since water is warm and hot tubs have good circulation OR do you need to put CYA in a sock and then in a filter or something?

I was just on a vacation in Iceland. I feel very blessed to have visited this AMAZING place and they have the coolest hot tubs (that they call Hot Pots) throughout the country. The first Hot Pot we came across (1st photo below) was at a rural bed and breakfast. At this location (and I think...

@Nitro wrote up an AWESOME and clear description of lowering ALK and PH in 2009 (see below). Nitro said to use 1/2 the amount of acid necessary to reduce ALK to the target level (I use target of Alk = 50). He said to not use more than than 1 cup of acid at a time. I think, however, he was...

I just removed and 1/5 of my water and replaced with fresh water in my 400 G pool because my salt level crept up too high for my salt water generator. I added 3 oz. of boric acid to bring my boric acid level up 10 so it's hopefully now at 50 again. Does boric acid slowly get used up, evaporate...

I had asked the TFP forum some questions about SWGs and the SmarterSpa. A few folks said to post about my experience with the SmarterSpa so here it is..... I'm very happy with the SmarterSpa. It keeps my free chlorine in the range I want from 1.5 FC to 3.2 with basically no effort. Also, if...

I have a 2005 Marquis 400 G. hot tube with two filters. The manual says to clean the filters every month. Would you clean them more often than this? What is the best method to clean filters? What cleaning products do you recommend? Thanks, Doug

I have a smarter spa salt water generator and I can adjust the low and high range of chlorine in the tub (I confirm this with Taylor test). I add bleach after every use to ensure my free chlorine does not drop below the minimum I set. If I set the minimum to a low level like 0.5 or 0.25 and...

Curious if you think biofilm builds up in the drain tube for hot tubs because there is no water movement in them during flushes? Thinking about using "Flex Seal" paste or tape to cover the drain at the bottom of the tub on my next drain. Do you think that product would be safe for the tub...

In a post on this forum by ChemGeek, he said....."If 3 people soak for an hour in a 350 gallon hot tub, then this requires about 7*3 = 21 ppm FC of chlorine or MPS equivalent. That's almost 11 teaspoons (almost 4 tablespoons) of Dichlor or 15 fluid ounces (almost 2 cups) of 6% Clorox Regular...

If you're doing a 2nd flush with Ahh-Some in a hot tub, is it helpful to let the water heat up before the 2nd dose or is it just as effective with cold water from the tap? Ahhsome guy....would love your thoughts on this too with your expertise @Ahhsomeguy Thanks, Doug

If there are 3-4 people in a 400 gallon hot tub for an extended amount of time, is it safe to add 1-2 oz of 12.5% bleach in the middle of the tub with jets on OR would you recommend people get out briefly? I"m in MN so getting out for a bit can be challenging for some when it's cold. I was...

I would like to get the larger Taylor 2006 C case that holds the larger regents. Anyone want to sell or give away an extra. I'll pay shipping of course. I can send check or use PayPal.