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That post about waste tds


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yeh cant find it, but some were wondering why if the tap tds is , say 400, and the ro gets it to 10 before di, then why isnt the waste tds 790? but it must just be that the filters are taking up a lot of the tds. My tap is 530 and the ro gets it to 14 before di, and the waste is about 830. 

Talking about using waste for gardening/plants etc, could this be unhealthy for them? certainly wouldnt wanna drink it 🤢

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On 30/05/2020 at 08:56, ks789 said:

yeh cant find it, but some were wondering why if the tap tds is , say 400, and the ro gets it to 10 before di, then why isnt the waste tds 790? but it must just be that the filters are taking up a lot of the tds. My tap is 530 and the ro gets it to 14 before di, and the waste is about 830. 

Talking about using waste for gardening/plants etc, could this be unhealthy for them? certainly wouldnt wanna drink it 🤢

The water in Ipswich is terrible.

I once tested the water in and out of the prefilters and the TDS difference was virtually the same with our water supply.

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Just now, spruce said:

The water in Ipswich is terrible.

I once tested the water in and out of the prefilters and the TDS difference was virtually the same with our water supply.

Tested mine before filling as the R/O was only getting it down to 15, it was 392ppm. Waste water is nearly 600, never had it as high. I wonder if the prefilters removing some of the particles is the reason why the waste TDS isn't double the tap TDS.

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6 minutes ago, spruce said:

The water in Ipswich is terrible.

I once tested the water in and out of the prefilters and the TDS difference was virtually the same with our water supply.

It is bad. I mean, it tastes ok for cuppas. But I reckon its right on the level of being legal.I think a lot of ours gets bored up from underground and gets loads of limescale.

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4 minutes ago, ks789 said:

It is bad. I mean, it tastes ok for cuppas. But I reckon its right on the level of being legal.I think a lot of ours gets bored up from underground and gets loads of limescale.

report says its got the highest levels of calcium carbonate in the country. I know the kettle is always ending up with what seem like stones in it.

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My waste water is used on the garden, either directly via a longer waste pipe from the RO that I purchased or into a separate water butt to be use during later. Overall plants seem fine with it and I grow a lot of fruit,veg and flowers

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1 hour ago, Lparker9983 said:

Excuse my total lack of knowledge but how is waste TDs more than incoming water TDs? Is it as simple as its more concentrated?

Your R/O is removing the impurities and they are being flushed out. If they weren't your membrane would be blocked fairly quickly.

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