my ph is off need help

I check my ph daily, the last couple of weeks it drop to about 3.5 I took it up with baking soda now it shows 6.1 everyday I put new water in tank it usually goes up to 8 then I Lower it now new water it still say 6.1 i check it manually and with meter it says its 6.1 both ways. it doesn't change at all anymore . Help me I don't get it !!!!!!!!!!!!!!!
 
the water i use is tap water nuts cal mag. the meter isnt a cheap one paid 45$. usually add water it goes up to 8 then I take it down the last 2 times I added water ph didnt rise stayed at 6.2. Its never done this before. I have a 50 gal plastic drum I fill up and have a pump inside to keep it moving rather than let it sit there
 

Aqua Man

Staff member
Supporter
the water i use is tap water nuts cal mag. the meter isnt a cheap one paid 45$. usually add water it goes up to 8 then I take it down the last 2 times I added water ph didnt rise stayed at 6.2. Its never done this before. I have a 50 gal plastic drum I fill up and have a pump inside to keep it moving rather than let it sit there
Can you calibrate it?
 
I did calibrate it its shows 6.1 every time strips show same. Plants are doing great ph is good just want to know why it dropped so much and with new water stays the same it should go
 

Aqua Man

Staff member
Supporter
So can you list brands and dosage of every nutrient and addatives. Ph and ppm drift in 24 hrs? All the equipment being used and photos in natural light.

Let's see what's going on here.
 
I wont be able to till later today maybe tomorrow morning. Checked ph this morning 5.8 it went down. Its crazy never seen this before. Thanks for you help. I will do what you said. I am not understanding something why the nuts I only put in water that I water plants with never in the drum I have my water in with a aquarium pump on all the time. They have been doing something to the water lines around here a pipe burst and some people had brown water I didnt but I am on same line as them. could they have put something in the water to make ph be lower. Plants are doing great
 
Depending where you live tap water can be trash..... buy yourself some 5 gallon jugs from Walmart and fill at one of those public water dispensaries, they usually have r/o water.
You get what you pay for with nutrients, ph goes crazy with cheap stuff, spending the extra few bucks on something like advanced ph perfect takes a lot of headaches out of feeding
 
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