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rocks

Discussion in 'Water Features' started by raggs, Feb 6, 2013.

  1. raggs

    raggs LawnSite Member
    Posts: 40

    I have a client that I have to rebuild their pond due to a drunk driver , yup its first for me lol. The car went right through the back of the house and into their pond. Guess it was a good thing the pond was there or it would've went through another house in their backyard. I got replace everything but my question are about the existing rocks due tor the fact fish will be replaced as well. Do I need to replace them as well due to fact that radiator fluid, oil, tranny fluid, brake fluid etc was leaking and present in the pond. Due to porous nature of stone I know there is residue left. Can I power washer them with a bleach solution or degresser solvent? Or will a soapy solution work fine? Or is it not enough that's worth worrying bout as long as I do so stone washing and add charcoal /carbon to help neutralize the contaminents . Again I've never had a car in the pond so this is a first for me.

    Greg Raglin
     
  2. tadpole

    tadpole LawnSite Bronze Member
    Posts: 1,216

    I've seen cars in lakes and swimming pools, but a pond is a first for me also.

    If I remember correctly, rock is readily available and inexpensive in your area, so I would replace the rock. If this creates a budgetary problem then, depending on the degree of contamination, the existing rock could be cleaned using a power washer and de-greaser. Some hydrocarbons may remain, but probably not at a level that would cause a problem as it would be picked up by the skimmer and filter pads. These in turn could be cleaned with Dawn. (Yep, the stuff actually works.) Without seeing the level of contamination I can't really advise you either way. It will be an educated judgement call for you.
     
  3. raggs

    raggs LawnSite Member
    Posts: 40

    Yea I figured as much and yup dawn does work lol..
     
  4. jonniebud

    jonniebud LawnSite Member
    Posts: 32

    Posted via Mobile Device
     
  5. jonniebud

    jonniebud LawnSite Member
    Posts: 32

    I would clean them at least with a rag and menthol alcohol oil kills everything .also u will get
    a film on the water and rocks plus a real bad rep cause this is a insurance job.so do it rite
    Posted via Mobile Device
     

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