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Tap water or Rain water??

Paulus

Member
Joined
17 Jan 2010
Messages
239
Location
The Netherlands
Here also thinking to get a rain barrel in the garden (after the other one broke/cracked because of the sun etc :p few years ago ) or get a RO system......
But still not sure what to do or if it will collect enough rain to do the weekly water changes etc.
RO is always so slow and lots of waste water.
 

Andy Pierce

Member
Joined
27 Nov 2020
Messages
76
Location
Cambridge, UK
I guess the rainwater users are OK with the runoff from whichever surface the rainwater is collected. Do you do anything at all to purify/disinfect the rainwater or just use as is?
 

Oldguy

Member
Joined
27 Aug 2018
Messages
392
Location
Gloucestershire, UK
if it will collect enough rain to do the weekly water changes etc.
rainwater users are OK with the runoff
Most weathered roofs are fine. A bit of bird poo is of no concern. Keep an eye out for slugs ( had an issue once, solved with a self adhesive cooper foil band around water butt and a circle of anti fouling paint.

I mix approx 50:50 rainwater to tap water (tap water moderately soft) never ran out of rain water in the west of the UK. (have three barrels in reserve but only ever used one of them)

Hope this is of some help. (never had pH crashes & I don't add buffers)
 

Paulus

Member
Joined
17 Jan 2010
Messages
239
Location
The Netherlands
Ordered a barrel today (was on sale :) ) and will put it on a different location as before. This time in the shadow part of the garden.
Plan is to use a old pond pump which i now use inside a bucket in the sink to refill the tank.
But in the barrel i can put some fine filtering on the pump so it will collect large slug/muck etc.

Now i only need to wait for the order and rain..... :p
 

Paulus

Member
Joined
17 Jan 2010
Messages
239
Location
The Netherlands
Rain barrel is standing. Short rain period yesterday and the complete barrel is filled with 227 Liters :)
Now getting some diy ideas to give it a simpel and replaceable prefilter option with some sponges or white filter floss etc.
Or maybe a 3d print like this Water filter for rain barrel by glsf91

Nice things to do for the weekend :)
 

Paulus

Member
Joined
17 Jan 2010
Messages
239
Location
The Netherlands
Used the rainwater for the first time today with a water change.
Only used 60 liters (see this post for more info Rainwater confussion )

What i noticed was that the rainwater has a little bit of a white haze in it when filling the tank/jerrycans. It wouldn't of course not be as clear as tap water. But something to do about this? Over some time/hours the filter will take it out i think, but it doesn't look that fresh when viewing the tank :p
 

Simon Davey

New Member
Joined
21 Feb 2021
Messages
18
Location
Norf Essex
Used the rainwater for the first time today with a water change.
Only used 60 liters (see this post for more info Rainwater confussion )

What i noticed was that the rainwater has a little bit of a white haze in it when filling the tank/jerrycans. It wouldn't of course not be as clear as tap water. But something to do about this? Over some time/hours the filter will take it out i think, but it doesn't look that fresh when viewing the tank :p
Bacterial bloom in your new rainwater butt?
 

Paulus

Member
Joined
17 Jan 2010
Messages
239
Location
The Netherlands
Bacterial bloom in your new rainwater butt?
Could be. At least the only thing I can come up with :p
Yesterday added some extra filter floss on the intake (it was sunny outside so nice to be in the garden instead of inside :p )
Also flushed the barrel to get the bottom clean (some leftovers of the roof that came of during the heavy snow and was laying in the gutter.
Still need to add a leaf guard at the top of the rain pipe. But covid/closed stores......... They cost 1 euro but minimal cost to get a collect/pickup option is 25 euro -_- (and i only need 1 :p )
 

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