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Thank you all, I will increment towards eight more gallons and see where I'm at.

Sorry, basically cloudiness that just doesn't seem to clear no matter how well I'm running my DE filter. Yes, I have TONS of pollen right now. More scientifically, pollen and the remenants of dead algae I was impatiently waiting to remove.

Thank you everyone, I did spend quite a bit of time seeing if this topic was covered and did not turn up a very detailed thread. I did believe that the competing oxidizers was my issue but was looking for the chemisty grade answer. A BBB approach and the Softswim ABC approach are two...

Thanks Dave. The regeant is definitely OTO. The testing comparator does show the lowest possible shade of yellow as .2 For all intents and purposes the water is clear, the drop test is definitely an OTO test. The comparator block is gradients from .2 to 5.

This is exactly what I believe is happening, I'm trying to figure out how much Chlorine I will need to add to eliminate the 2 gallons of H2O2. I was just trying to confirm that H202 will eat Chlorine for breakfast (combines/oxidizes) and it sounds like you're saying it does.

1) I had operated the pool for three days only losing chlorine with sun. Following that very process as I have for 4 seasons. 2) I added 2 gallons of clarifier, (now 3 days ago) and still cannot get a shock to take or even register. 3) Last night, I added EIGHT 182 oz jugs of bleach within 10...

Agreed. If I had just applied some POP, I wouldn't be posting, but because I couldn't find an identical post describing what I'm going through I'm hoping this helps someone else weighing whether or not to leverage clarifier in a BBB setup. In hindsight already, I wish I had let the DE do it's...

OTO. Color is showing the lowest possible reading. .2

No luck sherlock. The drop test reveals 0.2 or trace FC. Back to the whiteboard.

Yes, the clarifier is hydrogen peroxide. And no, I was getting those strip results the moment I added the clarifier. Before I starting going hogwild on the bleach attempting to restore FC. I have a drop test kit and will test with that now. I just have not read anything about clarifier...

They are strips, they are brand new and they were working fine right up to adding the clarifier. I am starting to suspect that the clarifier is nullifying the chlorine tests. Which pretty much means I have a summers worth of chlorine in my pool now... It's crystal clear.

I just added EIGHT 182oz bottles and no change. Tested after every 3. Lots of oxidizing visible in the pool light, so I have to imagine it's combining with the Clarifier.

I tried to cheat, now I pay the price. Essentially I was doing fine about 4-5 days in with a DE filter, beat the algae battle and was trying to rush opening by a few days. FC was fine overnight and I was going after the "dust" in the water. I added 2 gallons of Swimsoft C, clarifier which has...

I ended up using a sequestering agent last night, foxx scale and stain control, it was left over from the previous home owner. I shut off the pump. Added a quart around the edge. left it until morning. scrubbed the stains. Turned the filter back on in the morning, having let it work for about...

So I had problems with low pH, I stopped using trichlor, switching BBB method, brought pH up to 7.6, kept chlorine in check and the iron stains come out. I'm about to follow the AA treatment program, dropping FC to 0, adding AA to get rid of the iron stains leaving my filter on circulate. My...

1 HP pump, I run it about 16 hours a day, @ 8-14 PSI reading on the Hayward DE filter, 10K gallon pool, clean skimmers daily, clean filter basket weekly. I've been backwashing when the pressure gets up around 15-17, it will drop back to 8-10. -dfmcapecod

Progress. This morning I added another 5lbs of baking soda. Now the pH is normal. I presume, but do not know for sure that my TA is now quite high because I don't know for sure that my test is working correctly. (waiting for a new one). When I use the TA test, the water has a blue 'tinge'...

Thanks! Yes, using the pool calculator that's where I derived the 15lbs baking soda add, and it's what was in my inventory at the time. (No Borax yet). As for the FC level, I'm 99% sure it's < 2, as two different OTO test kits gave me this result and I'm adding the neutralizer for the TA...

I've been through pool school and used the pool calculator and cannot seem to make any progress raising either pH or TA to acceptable levels. I have had no issues keeping Chlorine in check this season using the trichlor pucks in the skimmer baskets and shocking with liquid bleach on a weekly...