1. My total control says ph 7.50 which is good but yet it is ON and pumping acid into the pool.
2. Can my salt be kept lower than 3000? I have an aluminum cover track and the salt is eating it.
3. Do I test everything the same since this is a salt/chlorine pool instead of straight chlorine?
4. On my cemistry controller there is a water sample valve between the orp and ph sensors. When I open the valve to get water....It just lets air into the system. No water comes out.????
Last. In my quest to lower my CC i've shocked the pool with 2 gal of pool shock.(done this twice with no luck lowering CC) and each time when checking the pool a couple days later I have ALOT of fine sandy like grit on the bottom of the pool i've had to vac out. Any idea what this is???
21,000 gal Fiberglass
Indoor with auto cover that is on all the time
Auto Pilot Total Control System(salt/chlorine generator with acid pump)
Sta-rite Mod Media 3 Cartridge Filter
Pool is kept at 84 deg and heated to 88+ sometimes
Test Kit info:
Taylor K-2006C service complete (FAS-DPD chlorine)
Taylor K-1766 sodium chloride (salt water)
Auto Pilot Total Control reads:
ORP 690 high
Taylor kits read:
Calcium Hardness 350
CYA (I couldn't get a reading because the solution never turned cloudy)
Sodium Chloride 3000
I've been adding ProTeam Metal Magic on occasion to help with the brown stains.
Any suggestions are appreciated! Thanks, Andy