[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[APD] City water sample/ what else do I ask them?
I currently am using RO water 60% or more/city 40% in order to keep neons
and a blackwater tank. The primary problem from what I understand with our
water here is the GH is very high. I have not seen a way to "fix" a high GH
so far. Since I have to bring in RO water if I start to use one of the fert
supplements like pmdd or Toms I will have to carry in about 40 gallons of
water a week in order to do 50% water changes on all three of my tanks!
(currently I do 20% water changes per week)
Anyway I had the city send me this months water lab report and would like
some of you to read over what they have sent me and tell me what else I need
to know that they don't list. They may have the information as another
source if I ask for specific readings.
Regardless of whether I can actually use this water totally I still need to
understand what is in it that may affect my attempts to add ferts. Hopefully
at some point one of the "planted tank guru's" can suggest by the
information presented what I would _likely_ need to supplement as far as
making pmdd and or using toms method. (for example if I am using tap water
and it is high in phosphates I may not have to add them)
Sample Source : Finished water
total hardness 284
total alkalinity 100
magnesium hardness 124
phenol alkalinity 0
total dissolved solids 892.383
(he told me on the phone that they try to keep it around 500ish but that if
it doesn't rain soon they will be adding water from lake texoma and that TDS
would jump as high as 1000)
chlorine residual 3.4
Ca cations 3.2
Mg anions 0
CO3 anions 0
HCO3 anions 2
SO4 anions 7.32394
Na cations 8.33144
he also told me that they do sometimes flush the system with "free chlorine"
and that they do at times add calcium carbonate (I think) to "chalk over the
if its not suggested above I am pretty sure they do use ammonia or
chloramines even if not as an every day thing.
I know I need to find out the phosphates if they have access to the info,
what else do I need to find out? If need be I'll have a sample sent off but
I don't know if its needed at this point.
I live North of Dallas near the river in Grayson county, from what I
understand the Dallas system gets their water from the same sources we do so
I assume it would be very similar.
On another note I did find out that the "red clay" here is high in iron not
aluminum, when I called the county ag office they were quick to ask me
"where do you think iron ore creek got its name" funny thing is they
couldn't tell me at what concentration in the soil or clay but are sending
me a report.
*still sitting in the confused corner*
Have fun customizing MSN Messenger ? learn how here!
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com