New To Dwc, Had To Use Tap Water.. Please Help

^{What is you TDS/PPM of your tap water? If it's anything like mine(500ppm on 0,5conversion) then I'd invest in a R/O. I bought a GE Smartwater from Home De Pot for about $160.. The filters last me 6-7 months, and reduce my ppm to about 20.}
 
^{No idea about the white chunks though, are they hard or slimy? I used to get pinkish white(red algae) chunks mainly around my old clear air lines.. cause they were letting in light, but those got changed out to solid black irrigation line now.}

 

Only my first grow but I have been using tap water only. My tap water ppm is 210 and I'm on week 3 of flower with no problems. I either let the water I use for res changes sit for at least 24 hours or I use prime, which is a good quality aquarium chlorine removing liquid.

 

What all do you have in your soup? And are you using liquid or powder? Also, how does it smell, does it smell normal and watery, or does it smell bad and rotten? Like, inside the reservoir. And what are your temps of the soup in the res?

 

From the description I would suspect you added too much ph up. When you add to much ph up or add it in too high of a concentration it can cause nutrient precipitation. This is when liquid nutrients solidify, once that happens to a specific mineral it is unavailable to the plant. I think it is usually the calcium that solidifies. To avoid it in the future use a 50/50 water/ph adjuster mix. 
 
If your ph has dropped that far out of range in the first place then you're probably overfeeding. Leaves curling? Brown tips? Stripping or spotting? These are all often signs of overfeeding.
 
Change the solution completely and use half the amount of nutes you did before, depending on how they are currently looking you may want to use even less.
 
Are you currently trying to run a full dose of nutes? If not then whats the ppm you're running?

 

I second what @[member="bizie"] said. Anytime I start getting something wonky going on, one of the first things I do is drain the res and put fresh H2O in and start a new batch of soup. Is your res light proof? I'm just spitballing and trying to narrow down the possibilities.

 

Instead of using two different chemicals, I'd drain some water and add non ph'ed water instead to bring the ph up. That's just me though, I'm a complete noob but to me the less chemicals/nutes I use the better. I'm in week 3 of flower and none of my plants get full strength anything.

 

You need an EC/ppm meter otherwise you are never going to get the nutrient strength right in the first place.
 
I suspect the problem is caused by the stuff you are adding to it but I have never heard of them so can't help with those.
 
Is the nutrient solution slimy? Smelly? 
If you have a rotten smell it's most likely you aren't using enough air. Adding more and adding some h2o2 will sort the rot. 
 
Can you put a photo up? 

 

I use tap water ph'ed to around 5.5. My tap water ppm is 210 and I have had no issues what so ever. RO water is ideal though. But your 70 ppm tap water is just fine I'm sure.

 

Do you not keep your air pump on 24/7? That is probably the problem. Depending on what nutrients you use you can have nutrient lockout. If you're mixing your nutrients together without them being diluted enough they'll have a reaction and form a buildup. Make sure you mix in your nutrients 1 by 1 so they get diluted enough.

 

That's just air that has been infused due to the pressure in your boiler. It's perfectly normal. Pour a glass of it and leave it settle you will the the microscopic bubbles start to rise and the water clear. If your ppm is 70 then you have great tap water, use it. Mine is about the same, you may need to add a little magnesium as the ppm is so low

 

Your problem is probably the RX Green Solutions products. Did you get them as a free sample at an HTG seminar? I did. Used them and two days later had shit everywhere in my buckets. If you read the directions carefully, it should be used as a foliar spray in a hydroponic setup. Also, these products are no longer even listed on their website.

With Denver water, I switched to 1 tsp of Maxibloom and 5ml of GH pH Up per gallon if water and have had great results and no more problems so far.

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