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I'm thinking to buy the component individually. I am interested in Dual 100gpd DOW Filmtec membrane in a series ( waste from membrane 1 feed into membrane 2). Incoming water pressure is 65psi, ~260ppm What size flow restrictor do i need? I believe i just need to restrict the flow for the...

Well, I learned some chemistry today. I accidently dose kalk slurry in my tank for a few hours. I only noticed when the tank get cloudy! I think corals seems to be okay ( I hope). Ph went up to 8.7 , alk at 7.7 ( from low 7) . No major harm I thought. Later in the evening, Alkatronic registered...

I bought the replacement tubing. Can’t figure out how to open the pump cover . Can’t find any information online either How do I open the blue dosing pump cover to get access to the tube?

A friend of mine recently asked what I’m stocking up. I said salt . You can image the puzzled look on his face. Lol I’m not sure where the reef salt is imported from or locally made, I just bought a couple of 200g box to use the Mr Chili bucks.

I had a small die off recently, but mostly recovered and things looking ok now. A sizable stylo colony had some peeling tissue, and green hair algae took hold on the skeleton. The rest of the coral seems to be doing fine now, and no longer receding. Any suggestion how do i tackle the gha? Its...

I recall buying some slugs that supposedly good at eating algae a while ago. Kenny help to arranged a group buy. Didn’t see it for many months . Just saw it next to the snail. Pretty cool Edit - found the old thread . Jelly bean slug - bought back in 2022.

Well, per title I thought I’m saving money buying bulk. Looks like it’s a waste . Supposed to be pure soda ash got from Amazon. Just mixed the first batch . Have not use in the tank, probably will not. Going to stick to BRS or some other reef specific Alk additive. Picture shows Newly...

Grep a bucket, EVO light bar , airline tubing and some miracle grow ( I heard F2 is the best, but that’s what I have at hand) . If this works I might be tempted to get proper equipment.

Willing to pay.

I can’t seem to find the problem. Parameters are within range Alk 8.5 Cal - 450 Mag - 1400 Salinity - 1.0025 Nitrate 5-10 Phosphate 0.05 I know my ca and mg is a little of high side but it’s been like that forever. I was dosing 100ml of soda ash for months and out of the blue, my alk...

I have been relying on ph value from Alkatronic. For fun I bought a standalone wilwaukee ph monitor mc120. Calibrated both Milwaukee and Alkatronic just now. Both are within 0.01 before adjustment/calibration. Run test on both : Milwaukee - 8.6 Alkatronic - 8.1 Kalk at 8dkh Both numbers are...

Just saw that this morning. Its not clear i should replace all the inner pump tubing, external tubing or both? I assume its the internal tube, which i see BRS sell them for $9 a pop. @derek_SR tagging you since i know you have a alkatronics for a while

I think my ph probe is misbehaving. The ph value drift over time and I’m tired of calibrating every 2 months. Looking for replacement. I understand the original is single junction probe. It is compatible with double junction probe? Is all probe crated equal? I assume I get a good brand like...

Anyhow have successfully install a hydros float switch? I successfully install it, but regardless of the water level or the float position, it’s showing DRY. If i unplug the switch, it will show WET. What am I doing wrong? I contacted hydros for support. Hoping someone have experience that can...

I am making a DIY kalk stirrer. Need to make 2 holes on the top of an acrylic dosing reservoir. Attached is the container I want to drill ( on the top, next to existing hole) and the 2 drill bits. I’m sure the small drill bits will do a good job. Any idea if the large wood drill bits 5/8 inch...

Trying to the lazy. Is there such thing as pressurized kalk reactor? I don’t have a sump. Hoping to have a kalk reactor so I don’t have a mix kalk every 5 days something like a canister filter ( for mixing kalk) I can put under the tank. Is there such thing?

Since my intake is at the back AOI chamber, it gets exposure to the lights and algae can mess up the pre-filter quickly. I have been changing the prefilter every couple of months. Anyone aware of cheaper alternative compared to the $8 a pop original replacement?

I'm having a a series of screw-up in the past couple of months. First is the mixed up dosing tube, causing extensive dosing of Nitrate+Phosphase over several months. Caused my tank crashed and maybe 50% coral survived. Now i realized my Avast Plank setup is messed up and triggering 48x 10s...

Anyone using this ? Seems like mag plus trace. Can be mix with calcium or alk solution. I have 2 separate dose head for mag and trace. If this can simplify and reduce the dose head , that would be awesome!

Crazy idea. I have a 65G AIO tank with tunze 9004DC skimmer. I don't need more skimming capacity but i would like more air exchange (to increase PH). Can;t find larger skimmer that fit into the back chamber. I wonder if i can just get a skimmer pump, drop it in the back chamber, and put a...