RO Water

Wilksy

New Member
Joined
26 Feb 2020
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21
Location
Steeple Bumpstead
I wonder if I could trouble you for a bit of advise regarding the use of RO water in my tank, I have access to as much RO water as I need as we make it for a process at my factory. I have a Purite Select and the water produced is 100% pure as we use it for silvering glass.

My question is regarding the addition of minerals I should put back in, I am currently using Aquavitro Mineralize and wonder if this is correct or is there a better/easier obtainable product I should be using, preferably in liquid form.
 

lazybones51

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Joined
18 May 2017
Messages
171
Location
Northamptonshire
I live in a hard water area and mix 50% RO with 50% tap. Since moving from 100% tap water to this 50/50 mix the plants are growing better than ever. As @hogan53 said it's the most straightforward way to remineralise RO water.
 

Witcher

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Joined
15 Jan 2020
Messages
163
Location
London
@Wilksy it's also worth of checking the Mg content in your tap, in UK it's usually too low (in relation to other nutrients) even when you'll use 100% tap water so you may want to add some Mg to your RO/tap mix. MgSO4 (epsom salts) is the easiest (and probably cheapest) available source of Mg.
 

jaypeecee

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Joined
21 Jan 2015
Messages
907
Location
Berkshire
According to my Anglian Drinking Water Quality Report my Mg has an average of 17.5 mg/l
Hi @Wilksy

OK, that's a useful figure. A magnesium level of around 10 mg/l seems to be recommended by the likes of JBL, Aquasabi and Aqua Rebell. So, doing a 50:50 mix with tap water may be the way to go. I also suggest that you keep an eye on recent threads discussing the optimum ratio for Ca:Mg:K. I use RO water remineralized using Tropic Marin Re-Mineral Tropic but I'm beginning to wonder if the mix of elements is optimized for planted tanks. I think it may contain too much potassium.

Must dash now. Back later.

JPC
 
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