WHERE did you hear that Dave? I'm curious as I have never ever heard anything like that previously.
Trash cans are expensive!!
- Thread starter sirevans reef
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WHERE did you hear that Dave? I'm curious as I have never ever heard anything like that previously.
Most plastics will leach some phosphates.
Just been widely known in the hobby. Food grade does less supposedly but I just read something on the disposable plastic water bottles people drink out of leaching chemicals and one was phosphate.
Ever wonder why algae grows more on power heads etc in a reef or on egg crate?
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I work on a number of different types of plastics and study what they leech out. That's why I'm wondering what your source is. I would appreciate it if you could find out.
Also, I don't wonder why algae grows on those things. It's pretty obvious that it has some texture to it that allows the algae to easily set up *root* if you will. If what you are saying was true, algae wouldn't grow on glass.
Also, I don't wonder why algae grows on those things. It's pretty obvious that it has some texture to it that allows the algae to easily set up *root* if you will. If what you are saying was true, algae wouldn't grow on glass.
It grows on glass because there is phosphate in the water column.
In low phosphate systems algae will still grow on some plastics. Some algae can assimilate phosphate from the substrate its attached too. If it attached to plastic because of some texture it would not grow on glass either would it?
I am not a plastics expert but I have read where some plastics can leach toxins and some phosphates. If not why have higher grades of plastics or ones that are food grade? Maybe some of the Plasticizers used are phosphate based.
Thatgrimguy
Active Member
The brute can isn't the source. The amount of phosphate leached over a lifetime from a brute is less than a single cube of food. Simple test can show that. Fill up your brute with RO/DI. Test it immediately. Let it set for a couple weeks, then test again. It's not going to be a measurable difference.
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Dowtish
5000 Club Member
I wasnt really think it was the Brute can. I have been feeding 4-5 times a day to try and get my PBT to get rid of his spots. Just the fact that I was in Athens last night and could have picked up some of those bigger barrels for cheap is what got me.
I missed this originally as I'm posting really fast between experiments. That's just not true. I completely disagree that it's "widely known" in the hobby. Brutes are used by so many people in the hobby because they do NOT leach anything out...or because what they leach is so little as to be unimportant. If it's so widely known then I would love to see some data on it. I'm honestly interested.
Where did you read that? "Toxin"? What does that even mean?
I'm not trying to jump down your throat but you're spreading misinformation as if it were fact and I find it a bit offensive. If you cannot post up any sources for what you're saying, I'm not inclined to believe you...but that's because I've been around long enough to know not to trust everything I read on any reef forum. Newbies on the other hand will hear this "widely known in the hobby" comment and take it as fact when it's absolutely not.
About plasticizers: the plasticizer that everyone is super concerned with right now is called Bisphenol A (aka BPA) and it doesn't even have a phosphorus atom in it. I'm not saying some other plasticizers wouldn't have phosphorus in them but those are washed away the second you rinse out your trash can.
I agree with Thatgrimguy that you should be FAR more worried about how much phosphate you're dumping into your tank every time you feed than what comes out of your Brute trash can.
Thatgrimguy
Active Member
Oh, right on! Be wary of what they were used for previously. Those barrels are expensive new. Used they are cheap, but you need to know what they were used for. Very few things carry over well to our hobby. Hopefully they were just used for water storage!
GOOGLE... you will find many threads going back for a very long time on many message boards.
No one said its allot of phosphate. show me where I said a significant amount. all I said is some plastic leach phosphates!
Again google on toxins... Tell me why allot of the water bottles say on them do not reuse. Why is there food grade if plastics can not release anything.
Again Plasticizer is something I just threw in there and have no idea if that's where they come from but just googling I came up with Plasticizer TPP (Triphenyl Phosphate)
[h=2]http://www.alibaba.com/product-gs/540677075/Plasticizer_TPP_Triphenyl_Phosphate_.html[/h]
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I agree with this, I have seen posts of people picking up barrels that had been used at car washes that had contained soap. Supposably they don't leach into the plastic and with rinsing them out real well can be used. I myself however would be leary of using something like this. I definitly do think that it is important to find out what the food containers had been used for jmo.
Until this post I had never heard anything about brute containers leaching phosphates and from my understanding the gray brute containers are food grade safe.
I'm pretty well done arguing with you about this. Your sources are internet forums where people post misinformation because they heard it "somewhere" and that's just not good enough for me, frankly.
The water bottles say not to reuse them because over time and through repeated use the plastic itself breaks down. I don't want to be eating plastic if I can help it.
This was my basic understanding as well...that they were food grade safe.
You ask for sources and what other sources am I going to give you other than on the internet, We are on the internet. If the internet forums are so full of misinformation why are you one the forums?
Where is your sources that say I am wrong? Was I the first to even state this in the thread? Hmm someone else knew it other than me.
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Wait wait...are you seriously going to even remotely suggest that internet is a good source for trustful information? hah hah.
I'm on the forums to help educate my fellow reefers...even when they're being dumb...and thankless.
I'm on the forums to help educate my fellow reefers...even when they're being dumb...and thankless.
There may be bad info out there but there is allot of trustful info out there. Not everything on the internet is bad or no one would be on it.
So you will guarantee everyone here that some plastics can not leach phosphates?
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The issue is that you're taking information that's absolutely untrue that you've sorta read *somewhere* that you cannot cite and stating it as fact. That's my issue with the misinformation you're spreading.
But I'm done. Nice chatting with you.
But I'm done. Nice chatting with you.
