will cya hurt the lawn?

photo2u

Well-known member
Jan 3, 2010
100
Claremont california
Hello friends,

I am about to dump some of my water to lower my 80 ppm cya level. I was wondering if I could use the water from my pool to irrigate my Saint Agustin lawn. I live in S. Cal and we are currently experiencing a drought. My FC level is at 2 ppm. PH is at 7.6

Please advice, :shock:
George
 

Richard320

TFP Expert
LifeTime Supporter
Jan 6, 2010
20,406
San Dimas, CA (LA County)
Mine seems none the worse for several soakings. And get this - my CYA is now down to 90.

I hope you let the chlorine run low intentionally just for this pumpout/lawn watering, because that's waaaaaay too low to maintain with CYA, well, anywhere.
 

chem geek

TFP Expert
LifeTime Supporter
Mar 28, 2007
12,082
San Rafael, CA USA
Soil bacteria (those that survive the chlorine onslaught, so migrate in later) will love the CYA "food" you give to them and will break it down to ammonia giving your lawn an extra nitrogen (fertilizer) boost though the quantity is rather low.
 

photo2u

Well-known member
Jan 3, 2010
100
Claremont california
Richard320 said:
Mine seems none the worse for several soakings. And get this - my CYA is now down to 90.

I hope you let the chlorine run low intentionally just for this pumpout/lawn watering, because that's waaaaaay too low to maintain with CYA, well, anywhere.

Yes! that is correct. my intention was to lower the FC so that the water there will be less FC for the lawn.

Thanks,

George
 

photo2u

Well-known member
Jan 3, 2010
100
Claremont california
chem geek said:
Soil bacteria (those that survive the chlorine onslaught, so migrate in later) will love the CYA "food" you give to them and will break it down to ammonia giving your lawn an extra nitrogen (fertilizer) boost though the quantity is rather low.

Thanks for the tip! I will start dumping asap.

Thanks,
 
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