Search found 168 matches

by Pssymon
20 Jan 2021, 20:58
Forum: General chat
Topic: Small update
Replies: 0
Views: 98

Small update

Good day, As some of you may have noticed I haven't been able to keep up with the forum for a while. Usually I try to get to any new messages in a timely manner, at the minimum, while I'm preparing for new content. I have a number of airlift related projects going on but I've had to put them on hold...
by Pssymon
20 Jan 2021, 20:46
Forum: Test results
Topic: All current test results! Chamber + Membrane Airlifts!
Replies: 3
Views: 2508

Re: All current test results! Chamber + Membrane Airlifts!

Hi, I'm so glad to discover these great experiments! I was really missing the scientific approach up until know. That's good to hear! :) A few questions: - with the pressure chamber the results were better (ie more water) with a depth of 140 rather than 170: why is this? - with the pressure chamber...
by Pssymon
20 Jan 2021, 19:53
Forum: Pressure chamber Airlifts
Topic: Air Lift for Under Gravel Filter System
Replies: 2
Views: 347

Re: Air Lift for Under Gravel Filter System

Hi, I'll answer the best I can in the quote below. For me to better understand the design, a drawing would be helpful. I am designing an under gravel filter and want to use a pressure chamber airlift to move the water. It will work just like an aquarium with bubblers on an under gravel filter - just...
by Pssymon
20 Jan 2021, 17:11
Forum: Technical discussion
Topic: Airlift to move water horizontally
Replies: 1
Views: 317

Re: Airlift to move water horizontally

Hello, I'm not understanding what you want to do exactly. Could you share a drawing? Or elaborate? If you want to use an airlift to move water over a distance of 10 meters horizontally, the only way I can think of is to build a standard pressure chamber model, use it in the same way as you usually w...
by Pssymon
25 Nov 2020, 17:02
Forum: Technical discussion
Topic: Multiple AL 7m from pond + discharge 40cm below water level
Replies: 2
Views: 290

Re: Multiple AL 7m from pond + discharge 40cm below water level

Hey SLK,

Thanks for sharing, looks really interesting.
I had a quick look but I'll leave a proper reply later when I have time.
Your setup looks great!
by Pssymon
22 Oct 2020, 22:38
Forum: Pond construction
Topic: Pond Planning 2022
Replies: 2
Views: 467

Re: Pond Planning 2022

Hey Frank,

Sorry for the late reply, I've been swamped with work.
Looks amazing! Which fish will you be keeping in it?

You will run a self-built airlift in it I presume? A membrane disk airlift?
by Pssymon
03 Oct 2020, 21:44
Forum: Parts
Topic: Good pump and attachment?
Replies: 4
Views: 538

Re: Good pump and attachment?

Good luck with it. My remaining tip would be, if you really have to lift 30cm with the airlift, try to use a smaller diameter rising pipe. This will hurt your maximum output but using our standard model for 30cm discharge head situations will probably give you no output at all. If you have any furth...
by Pssymon
30 Sep 2020, 20:43
Forum: Parts
Topic: Good pump and attachment?
Replies: 4
Views: 538

Re: Good pump and attachment?

Good day, I have seen the brand before, but I have no personal experience with these pumps. Good results have been achieved with Secoh pumps. The older model, the SLL-20 for example. I believe they recently became available again. Alternatively I would personally go with a Secoh JDK-30, or bigger de...
by Pssymon
30 Sep 2020, 20:34
Forum: General Airlift information
Topic: Can an airlift lift water above water level?
Replies: 2
Views: 844

Re: Can an airlift lift water above water level?

Hello, You can, but at that point it will no longer be efficient at all. In this scenario I would advise a normal water pump. See this video for reference: https://www.youtube.com/watch?v=o9OgVnuhCpg Discharge head has to be lower than 10cm in my opinion, for any practical use. With any discharge he...
by Pssymon
19 Aug 2020, 21:58
Forum: Filtration
Topic: Introduction to the Crielsieve, a revolutionary pre-filter!
Replies: 7
Views: 2535

Re: Introduction to the Crielsieve, a revolutionary pre-filter!

Hi Richard,

I will contact you through PM.
Greetings.
by Pssymon
19 Aug 2020, 21:55
Forum: Technical discussion
Topic: Airlift Manifold Design
Replies: 1
Views: 578

Re: Airlift Manifold Design

Hi, Sounds like a great idea. I have some suggestions for sure. My question is, do you have any way to test flowrates? Designing pressure chambers or membrane disk/shower head designs is only really worthwhile if we can test or compare the results. In case you are eager to get started, I can give yo...
by Pssymon
31 Jul 2020, 14:27
Forum: General Airlift information
Topic: Gravitational filters, bottom drains and Airlift placement
Replies: 4
Views: 5394

Re: Gravitational filters, bottom drains and Airlift placement

Hi Giles, Using bottom drains gives a huge advantage. I am currently running a pond and two pools without them and it's a big hassle. Using bottom drains eliminates the risk of blockage and a drain is much more efficient in pulling in debris in a 360 degree radius. When using airlift, remember that ...
by Pssymon
31 Jul 2020, 13:36
Forum: Pond construction
Topic: Water storage Portugal- a few questions
Replies: 2
Views: 641

Re: Water storage Portugal- a few questions

Hi Chris, I understand your idea and it makes sense. The water source is extremely useful as it can negate the need for a filter as you say. Your idea for keeping the floor clean sounds feasible, but I'm not sure about the pressure you stated. That is not my area of expertise, but as Frank said, are...
by Pssymon
01 Jul 2020, 16:12
Forum: Technical discussion
Topic: Hole size and bubble size.
Replies: 1
Views: 704

Re: Hole size and bubble size.

Hi, I would advise to use 1mm holes. Usually it's recommended to clean the holes once a year to prevent blockage. Your issue may also be caused by the fact that the airlift does not run constantly. Causing the holes to gather particles, algae, insect eggs and so on during the downtime. I would sugge...