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United StatesDIY Kalk Stirrer
The first thing I noticed when unpacking and evaluating the materials was there were two items slightly different from what is shown on the website. The first was the internal 1/2" elbow. This is really just cosmetic but it also had a ~1\16" hole drilled for a siphon break (which it needs) . The second item and of greater note was the motor housing/cover. This was the only item that caused me pause. This was made of clear plastic/acrylic that was apparently ground to give a frosted opaque appearance so the motor is not visible. This could have had a better finish in my opinion. All other materials were smooth and machine finished. The motor housing had fairly rough finish similar to 3D printed parts but also had small splinters of plastic exposed that you could feel and see. I had already decided to paint this so it wasn't a big deal to me. I didn't feel the need to go through trouble of sending it back or even contacting AVAST so I can't honestly say if they are all like this or I just got one that slipped through the QC process. After 3 coats of Fusion the surface was smooth. This may have also been because this is a DIY kit and the AVAST assembled stirrers may not have this. Overall the materials appeared to be of good quality. The machining of the tube and groove for the watertight connection was of good quality and probably wouldn't even need to be sanded before gluing. I watched the AVAST video one time before assembly and it is pretty straight forward. The one recommendation I would give before assembling is anyone who is not familiar with this glue or has not used it from a tube should use it on some scrap acrylic/PVC first. One thing that is not mentioned is a siphon break or check valve on the fill tube. The 1/2" fill elbow has a hole drilled as mentioned above. However, if the fill reservoir is below the stirrer and there is no check valve or hole in the fill tube (needs to be inside the tube above the outlet elbow) it can siphon kalk back into the ATO/RO reservoir. This is common knowledge and not a knock on AVAST at all. Many people will use a peristaltic pump and this won't be of as great a concern. Overall I am happy with the quality and transaction as a hole. I am happy that AVAST gives us the opportunity to do DIY projects and feel other companies could learn from this. This is my first purchase from AVAST, but I will be making other purchases in the future. Overall I would give this 4.75 stars out of five with a slight deduction for the motor housing finish.
United StatesKalk reactor
I really like this product as the self build allows me detailed knowledge of how it works, build instructions were good and knowing what comes apart and how it comes apart when maintenance is required is an advantage. Simple and it works. i look forward to my next purchase from Avast Marine.
United StatesKalk Stirrer Kit
The Kalk Stirrer Kit was an easy and fun to build project it’s been running for a week now it took a couple of days to dial in the exact flow rate but it’s keeping my ph at 8.1 so hopefully no more struggling to maintain ph
United StatesFantastic kalk reactor kit!
This kalk reactor has worked great for me. The kit was easy to assemble given the video instructions. The parts were well machine and fit perfectly. I did have an issue with the reactor leaking around the base, but it turns out I hadn't applied enough glue---a little bit more around the seam and it sealed it right up. I highly recommend this kit!
United StatesDIY kale stirrer... amazing!
Super simple and fun to build. I love it!