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What's the best Reverse Osmosis System for Cannabis AND Tropical Fish

Jellyfish

Invertebrata Inebriata
Veteran
Are there any growers out there that are also aquarium hobbyists? I'm looking for recommendations for an RO system that will service both a small grow and eight to ten aquariums.

Knowing nothing about them, I looked at some videos on YouTube for ideas. The ideal set-up being one that would tap into the water line in a basement, and fill a 20- 50 gallon food barrel that could be dipped out of.

Any brand names or types, what to stay away from, how much should it co$t- all suggestions welcome, I'm starting at zero. Thanks!
 

everydayJoe

New member
I really like my ro system from bulk reef supply. They are sold as aquarium ro systems but ive been using mine for cannabis for about 3 years without flaw. Will do 75 gal or 150 gallons per day deending on setup. 150$ to 300$ plus a booster pump for 150$ if u have low water pressure.
 

RB56

Active member
Veteran
Just set up a Hydrologic Stealth 150 in the basement. Just use it for growing and drinking water, but don't know why it wouldn't work for aquarium water too. I have it set up as you described - plumbed into basement copper line. Mounted a float valve in a barrel so it fills and shuts off. Ran a line upstairs to a kitchen faucet.

Used to have a GE RO system under the kitchen sink. I filled many gallon jugs a day and carried them downstairs. Always waiting for the holding tank to refill and getting accused of treating the GF like a Palestinian (withholding water).

The Hydrologic system is far superior to the GE and vastly more flexible in configuration. The GE never got below 15 PPM. Hydrologic is 0. Couldn't be happier with it so far.
 

superpedro

Member
Veteran
Hey there.

Is it freshwater or saltwater tanks you run?
For reeftanks, an extra filter with ion exchange resin may be necessary (primarily depending on the Si contend in the water used).
 

Jellyfish

Invertebrata Inebriata
Veteran
Hey there.

Is it freshwater or saltwater tanks you run?
For reeftanks, an extra filter with ion exchange resin may be necessary (primarily depending on the Si contend in the water used).

Thanks, superpedro. I'm a fresh water guy. All the people I know with saltwater tanks are insane!:biggrin:
 
Hi, I bought a 5 stage 100 gpd r/o unit slightly used for 40$ from online classified ads in aquarium section. It's made by a local/online salt water aquarium supply company called reef solution. They sell it 200$ new so I got a good deal. I use it for my freshwater aquariums and for growing. I have alot of aquariums.. A 120 gal, a 75 gal, a 55 gal, a 45 gal, a 30 gal and an old bathtub with goldfish that has 55 gal in it. And I run 6000w of lighting all off of a 100 gpd r/o, like the guy's said hook it to a reservoir with a float valve. Or check out a company called aquasafe canada they make nice r/o filters especially for aquariums to remove almost everything from pesticides and harsh chemicals to chlorine/chloramine found in most municipal water. They have 7 and 8 stages of filtration to remove sediments and carbon and resin to remove chloramine it's overkill for plants lol. Prices are between 150 to 300 for a fancy model. The higher your water pressure is the faster your filter will produce.
 

Loc Dog

Hobbies include "drinkin', smokin' weed, and all k
Veteran
Look at gallons per day, that meets your needs. Making RO water also produces waste water, so need a drain for that. I have 2 of them. One constantly produces waste water, and the other only does when needed to fill the tank.
 
Yeah it's always better to have a filter that meets your daily needs. If it's under sized and it's always filtering you can expect to change your sediment filters more often depending on the quality of the source water. I change mine every 6 months and it's good to check every now and then with a ppm meter to make sure your getting pure h2o.
 

RB56

Active member
Veteran
Minimum source pressure for mine is 40 PSI but you can get a booster pump if your pressure. Needs to be 60 to get the rated 150 GPD. I installed mine over a utility sink with its own shutoff. Sink catches water when changing filters (or if there's a leak) and I can use the utility sink to wash parts when I replace filters. Much nicer than the under sink system I replaced that was hard to get to and always spilled water when replacing filters. Going to upgrade the whole house filter next.
 

Jellyfish

Invertebrata Inebriata
Veteran
Thanks again for all the responses! One more question- can you just run a line into a sump pump to take away the waste water?
 

RB56

Active member
Veteran
Thanks again for all the responses! One more question- can you just run a line into a sump pump to take away the waste water?

Yes. I have mine running into a utility sink. Standard setup is to run it into a drain pipe, before the trap, but then you can have issues if the drain gets blocked so that pressure pushes whatever is in the pipe back up the drain line.
 

Jellyfish

Invertebrata Inebriata
Veteran
Just set up a Hydrologic Stealth 150 in the basement. Just use it for growing and drinking water, but don't know why it wouldn't work for aquarium water too. I have it set up as you described - plumbed into basement copper line. Mounted a float valve in a barrel so it fills and shuts off. Ran a line upstairs to a kitchen faucet.

Used to have a GE RO system under the kitchen sink. I filled many gallon jugs a day and carried them downstairs. Always waiting for the holding tank to refill and getting accused of treating the GF like a Palestinian (withholding water).

The Hydrologic system is far superior to the GE and vastly more flexible in configuration. The GE never got below 15 PPM. Hydrologic is 0. Couldn't be happier with it so far.


I got the Hydrologic Stealth 150, and two 30 gal. plastic food barrels from craigslist, and just got it set up. It was very easy to set up.

It looks like it's easily going to live up to it's 6.5 gallons per hour/150 gallons per day claim, which is more than enough for all my fish tanks and my little garden.

Thanks for the tip, RB56!
 

Jellyfish

Invertebrata Inebriata
Veteran
Here's a link to Hydrologic Systems if anybody wants to check them out.
Systems002-Recovered.jpg

hydrologicsstealth200kdf.jpg
 

RB56

Active member
Veteran
I got the Hydrologic Stealth 150, and two 30 gal. plastic food barrels from craigslist, and just got it set up. It was very easy to set up.

It looks like it's easily going to live up to it's 6.5 gallons per hour/150 gallons per day claim, which is more than enough for all my fish tanks and my little garden.

Thanks for the tip, RB56!
My pleasure - still loving mine. Before installing this in the basement, I was filling gallon jugs at the kitchen RO tap and carrying them downstairs into the basement. Did that for years. Complete pain in the ass and waste of time. Now RO waits for me.

Working out what I'll need to get their Big Boy installed for whole house filtration. Should improve the water we don't drink and extend the life of the RO filters and membrane.
 
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