I’ve been in that situation with a gnarly old oak—roots everywhere, and it felt like no matter what I did, they’d find a way back in. Tried copper sulfate too, but honestly, didn’t see much difference. I got curious about those foaming root killers after a buddy swore by them, so last year I gave it a shot.
Here’s what I did: first, made sure the line was as clear as possible (snaked it out myself), then followed the instructions on the foaming product to the letter. The foam is supposed to stick to the pipe walls and hit any little root hairs left behind. Didn’t notice anything dramatic at first, but about six months later when I checked with a camera, there were way fewer fine roots than usual.
One thing though—I was super cautious about using the right amount and not overdoing it. Some of that stuff can be rough on older pipes if you go heavy-handed. Not a magic fix, but it definitely bought me more time between clogs. Maybe worth a try if nothing else is working... just double-check your pipe material first.
That’s a solid approach—snaking first, then using the foam. I’ve seen folks skip the mechanical clearing and just dump chemicals in, but like you said, that doesn’t really get to the root (pun intended) of the problem. Did you happen to check what kind of pipe you have? Some older clay or cast iron lines can be pretty sensitive to those treatments. Still, sounds like you bought yourself some real breathing room. Curious if you noticed any slowdowns in drainage before you scoped it again, or was it all clear until the camera check?
Honestly, I’ve always been a little skeptical about relying too much on chemicals or foams, especially with older pipes. I get that they can help, but I’ve seen them eat away at cast iron over time—my neighbor had to replace a section after using root killer for a couple years. I usually stick to snaking and maybe a hydro jet if things get bad. Sometimes the old-school way just feels safer, even if it’s more work. Never noticed any slowdowns before scoping, but roots can sneak up on you...
I get where you’re coming from—chemicals can be risky, especially with old cast iron. But I’ve actually seen foaming root killers work pretty well when used sparingly and correctly. The trick is not to overdo it and to follow up with regular inspections. Snaking’s great for a quick fix, but sometimes it just pokes holes in the roots and they come right back. Hydro jetting’s solid, but I’ve seen it crack brittle pipes if you’re not careful. Every method’s got its trade-offs, I guess… just gotta weigh the risks and pick your poison.
Yeah, I hear you on the trade-offs. I tried foaming root killer once—ended up feeling like I was brewing a witch’s potion in my basement. It did help, but I always get nervous about what’s going down the drain, especially with the old pipes. Lately, I’ve been leaning hard into regular snaking and just planting “less ambitious” trees in the yard. Not the most exciting solution, but at least my pipes aren’t staging a revolt every spring.