Continuous water change... - The Planted Tank Forum
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post #1 of 3 (permalink) Old 01-21-2019, 01:54 AM Thread Starter
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Continuous water change...

I've been considering setting up a continuous water change system on my 80 gallon. Right now I'm changing 30 gallons weekly and sometimes twice a week.

I'm using remineralized ro water that is stored in a self filling storage tank under the stand of my tank. Right now my water changes are very simple to do but it seems agressive.

I have an extensive reef background and my last tank was fully automated besides glass cleaning and feeding.

I was using a Spectepure Litermeter III and remote pump to pump clean premixed saltwater in the tank and pump dirty tank water to the drain.

Is there any reason I couldn't do the same thing with my freshwater planted tank but instead of saltwater use remineralized ro water premixed with ferts?

I could literally turn water changes to just adding the desired minerals and ferts to the reservoir and the rest would take care of itself.

Wouldn't this give me a lot more consistent water parameters and fert levels?

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post #2 of 3 (permalink) Old 01-21-2019, 02:05 AM
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Been playing with that for close to a year now. Best thing I did! Had been out of the hobby a while and wanted to set up a nice tank (75g) but wasnít going to put up with the water change hassle. I have recently (last couple months) started doing a 2x a day change of 2 gal each. A fountain pump kicks on and pushes 7651ml of water into the overflow drain that goes on into the house drain :-). Dosing pumps kick on and deliver 15ml of diluted macros and 15 ml of diluted micros. Right now I am finally dialing in the gh/kh. Missed all the ferts while I was active years back so have had a lot of catching up. I have read the same explanations over and over again until I believe they are finally becoming internalized. I have tds sitting at about 300uS and am now finally watching for the plant uptake and the change over time with my formulas. I think it will be totally hands off in the coming months

Long post sorry but short answer is you are def on the right track!!!

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post #3 of 3 (permalink) Old 01-25-2019, 12:41 PM Thread Starter
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I have a Litermeter III arriving and remote pump arriving today. Hopefully everything works like I think it will.

I've used the same setup before with the only difference being I was using salt instead of ferts.

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