I've been running since Friday but not overnight as my pool was bad at cover removal. I used a algae killer from Walmart since pool stores aren't open here. I had dark green algae everywhere. I shocked 33,000 gallons once things had been running a bit and initial cleanup. Water tests came out 3 ppm chlorine, pH 7.2. Alkalinity 80. Have not tested anything else yet. I did the above Friday afternoon and let things run. I have a 130 sq ft surface DE filter and have to flush it a lot so have been skimping on powder typically 1.5 scoops instead of 3.5. Is this bad? I'm having issues getting DE so have to conserve. Fast forward through Saturday into Sunday afternoon. Checked PH and corrected with pure baking soda. Should get me to 120-130. I also shocked again with 3 bags pretty quick after. I let it run for a few hours and then tried to kick the big raypak heater on. Had some issues getting it running but eventually got it. Once it started putting out heat I could see bubbles from the jets and foam forming quickly. Let it run for a bit and it continues. I'm figuring there's something wrong with the heater but also dosing it pretty heavy to quick puts that question in my mind. Any thoughts? I have the TF pools test kit and can run just about anything.