Easy Dosing Containers from Target

[TessGlo]

They come in a variety of sizes that would be suitable for many common size tanks. They work well because they have a simple flat top that you can easily drill for a RO bulkhead, unlike the more common OXO containers (which are also more expensive). They also stack securely, in one build I fit 3 in a tight area of the stand by putting the bulkheads on the side and using a 90 degree RO fitting.

The containers below were only $6 a piece, you don't have to buy the set. I purchased a set of RO bulkheads on amazon for $8. I think the result is functional and nice looking and the price is right!

https://www.target.com/p/plastic-food-storage-container-collection-made-by-design-153/-/A-52380896

 

[Crabs McJones]

Are those airtight lids? Very cool DIY

 

[TessGlo]

Links for the individual containers.

https://www.target.com/p/8-w-x-4-d-...ntainer-clear-made-by-design-153/-/A-52380687

https://www.target.com/p/4-w-x-4-d-...ntainer-clear-made-by-design-153/-/A-52380382

https://www.target.com/p/8-w-x-4-d-...nap-lid-clear-made-by-design-153/-/A-52380577

 

[jschultzbass]

Could you link the bulkheads?

 

[TessGlo]

Are those airtight lids? Very cool DIY

Thank you. Yes, they are fairly air tight, they might leak over time if they were on their side, but I'm guessing no one is going to try that.

 

[TessGlo]

Could you link the bulkheads?

Link for the exact ones I got is gone, but amazon has a number of options to buy multiple RO 1/4'' bulkheads for under $10, I'm sure they would all work similarly.

https://www.amazon.com/JIUWU-Fittin...=ro+bulkhead&qid=1561748663&s=gateway&sr=8-12

https://www.amazon.com/YZM-Fittings...s=ro+bulkhead&qid=1561748663&s=gateway&sr=8-4

 

[Katrina71]

@dantimdad take a look

 

[Crabs McJones]

Thank you. Yes, they are fairly air tight, they might leak over time if they were on their side, but I'm guessing no one is going to try that.

I'm just wondering how they handle the negative pressure when the fluid is drawn out of them. Is there an air hole to replace the liquid taken out?

 

[BZOFIQ]

Great find!

 

[BZOFIQ]

I'm just wondering how they handle the negative pressure when the fluid is drawn out of them. Is there an air hole to replace the liquid taken out?

Tiny hole could be drilled in the lid

 

[Dr. Dendrostein]

They come in a variety of sizes that would be suitable for many common size tanks. They work well because they have a simple flat top that you can easily drill for a RO bulkhead, unlike the more common OXO containers (which are also more expensive). They also stack securely, in one build I fit 3 in a tight area of the stand by putting the bulkheads on the side and using a 90 degree RO fitting.

The containers below were only $6 a piece, you don't have to buy the set. I purchased a set of RO bulkheads on amazon for $8. I think the result is functional and nice looking and the price is right!

https://www.target.com/p/plastic-food-storage-container-collection-made-by-design-153/-/A-52380896

Yes, very cool. Thanks for sharing, comrade

 

[crusso1993]

They come in a variety of sizes that would be suitable for many common size tanks. They work well because they have a simple flat top that you can easily drill for a RO bulkhead, unlike the more common OXO containers (which are also more expensive). They also stack securely, in one build I fit 3 in a tight area of the stand by putting the bulkheads on the side and using a 90 degree RO fitting.

The containers below were only $6 a piece, you don't have to buy the set. I purchased a set of RO bulkheads on amazon for $8. I think the result is functional and nice looking and the price is right!

https://www.target.com/p/plastic-food-storage-container-collection-made-by-design-153/-/A-52380896

I've seen a number of people use Voss bottles but this is very nice too! Thanks for sharing.

 

[TessGlo]

I'm just wondering how they handle the negative pressure when the fluid is drawn out of them. Is there an air hole to replace the liquid taken out?

Ahhh now I understand your question, well I guess they are not perfectly air tight because I've been using them for months now with no problem (the output calibrates regularly). But that might explain the slight sucking noise I hear sometimes that I cant seem to figure out where it comes from. I might have to try drilling a tiny hole, I was more worried about evaporation. Ahh and this is why the forum is sooo useful, more brains always better.

 

[TessGlo]

I've seen a number of people use Voss bottles but this is very nice too! Thanks for sharing.

Thank you. When I was on the hunt for these I was constantly looking at any food grade containers like Voss bottles to find one that had a large enough top you can easily drill into and sufficient volume. Even after looking at The Container Store I still consider the Target ones great option.

 

[SuncrestReef]

Ahhh now I understand your question, well I guess they are not perfectly air tight because I've been using them for months now with no problem (the output calibrates regularly). But that might explain the slight sucking noise I hear sometimes that I cant seem to figure out where it comes from. I might have to try drilling a tiny hole, I was more worried about evaporation. Ahh and this is why the forum is sooo useful, more brains always better.

You can also just loosen the nut on the bulkhead enough to let air in around the outside of the fitting. It won't impact liquid going through the fitting. That's cleaner than drilling a separate hole in the lid.

 

[TessGlo]

loosen the nut on the bulkhead enough to let air in around the outside of the fitting.

great, thank you!

 

[dantimdad]

Look familiar