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Looks like this is a very good device, no? I am tempted to buy this before my next vacation.

How do we know or are not concerned there is nothing else in these cheaper glues which might leach into the water? I know there is a reef tax on the reef glue so no guarantee on these either, but the one that @Finnaddict mentioned I also saw @CaseyP mentioning in another post, is rather...

I am running low on coral glue and wanted to hear what everyone found to be the best or easiest to use. Some bond very quickly, and others take forever. Also, larger tubes have advantages, as I do not like how difficult the ones below, which I have been using until now, are to open, especially...

Welcome! +1 on the journal and everything else Michael said.

@dangalang - This was the thread re the UV in case you are interested: https://www.bareefers.org/forum/threads/uv-sterilizer-how-to-connect-a-pump-with-the-sterilizer.37913/#post-542544

The Hanna nitrate and salifert CA also have warnings but the skull on the phoshpate reagent made me nervous (after several years using it…).

So do I, but wearing gloves when testing the water has some logistical challenges with the Hanna testers specifically.

I do not believe this is a good UV. I do not remember why but I believe I posted this somewhere here based on someone elses comment and some additional research on this. I bought the IM UV instead (for the 28 gallon frag tank), which worked well. Passive carbon should help and it depends how...

Good question. I have been thinking about them in a different context, but it would not harm to add a gallon of them. Update: Ordered 1/2 gallon from them, plus 25% off with code Summer25...

Strong UV seems to work for this specific type (for many others not). I doubt it will go away by its own. Seems to be the most toxic of all - should remove all clean up crew and run GAC ASAP.

I thought I had dinos again, but I am glad I always have a microscope ready to check, and given the high nutrients I am running these days, it seemed unlikely. Looks like these are diatoms - tank video with focus on the sandbed and three different videos of the microscope slide taken from the...

Weekly in both tanks. So this can add up.

I know we have some scientists and doctors here, so my question is the following: Given what perplexity produced below regarding the toxicity of these Hanna reagents - specifically that it can be absorbed through the skin (last bullet point) - should they never be handled without wearing gloves?

Unless I misread but is the issue not rather running a relatively high alk with ultra low nutrients, which stresses the corals. Alk at these low nutrients should be more in the lower 7 range. And not sure how you test, but my Hanna understates dkh readings. Also, Hanna in the ultra-low phosphate...

Interesting topic. The only non-reef taxed product I buy at the moment is sulfamic acid.

Could this be related to the widespread use of Kalkwasser, I wonder?

Since when do I agree with the majority? Come on, man. Keep up. Altering people and their circumstances gives me facebook vibes. Not a fan.

Sad that we are sending fake AI stuff around. It could have been funny, though.

Correct. And I was not advocating for doing that, I was only pointing out what happened when I did - it was recommended to do by the seller: https://www.korallen-zucht.de/out/pictures/wysiwigpro/korallenzucht_guide_easy_reefing_engl.pdf - activated carbon. And I am glad I did, as it would not...

That is very interesting. I had shared the link above of the carbon ‘brand’ / bulk ‘premium’ product from premium aquatics, who I normally like quite a bit. I reached out to them today for comments about this.