Pool opening after liner change

[Swiftcat]

Just had new liner put in and pool is almost filled. Need some direction on where to start with adding chemicals.

 

[mknauss]

Welcome to the forum!

First course of action is to add 3 ppm FC worth of liquid chlorine. Also start 30 ppm worth of CYA using the sock method.

Have you tested the pH, TA, and CH of your fill water?

 

[Swiftcat]

Not yet. As far as adding the chlorine, do you recommend using the tri-Chlor tabs in the chlorinator or just adding liquid?

 

[mknauss]

Liquid chlorine. The tablets are slow to dissolve. Also they are not viable for long term chlorination.

 

[mknauss]

Read How to Chlorinate Your Pool - Trouble Free Pool ABCs of Pool Water Chemistry

 

[Swiftcat]

Thanks! As far as CH, do I need to worry about this? Liner manufacturer suggests 200-400 ppm CH. If so, is it OK to use ice melt pellets or crystals of calcium chloride sold at hardware stores?

 

[Swiftcat]

Fill water was:

FC- 0
PH- 7.2
TA- 0
CH- 40

 

[mknauss]

CH is not a great concern with a liner pool. Your low CH fill water means you can pretty much ignore it. No reason to add calcium. Though you might be able to use cal hypo to chlorinate if you get any amount of water turnovers due to rain.

 

[mknauss]

I doubt your TA is zero. Check that.

 

[jimmythegreek]

Dont worry about CH it isnt high that's the only worry. Main concern is to have CYA and FC in range and get your ph dialed in. Pucks are ok when you are away or certain times but not a permanent way of chlorinating your pool. Liquid is the way to go

 

[wireform]

Fill water was:

FC- 0
PH- 7.2
TA- 0
CH- 40

How can you maintain a PH of 7.2 with TA 0. I agree with marty, recheck the ta again.