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Valona bubble algae are green, so if yours are clear, small (up to 1/4"), on the LR that is not covered with moss-like or hair-like gren/brown/red algae (cyano bacteria), then it is most probable that these are microbubbles captured on the LR. Source of microbubbles can be your skimmer or...

I am interested in that rainbow monty.

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I have very crazy idea. ::) Basically since standard foods probably won't be good enough bait for it, why don't you use SAND as a bait. Assuming you can't remove all of the sand, can you cover it with something - some kind of plastic mash or cloth that would allow the exchange (true, smaller...

:) Sorry, I just saw that you have read those posts. duuh ::)

While the error of your instrument is +/-0.04 (which could explain why you could test positive RO/RI water), the swing between 0.38 and 0.21 is rather huge. Are you sure that your test vial is perfectly clean (inside and outsied) and there are no fingerprints etc. Are you folowing the correct...

Overflow box is not necessary at all for surface disturbance and the skimming of the surface film. Of course, assumption here is that return flow will not be too high, so that hole is not totaly submerged and that at least some of the surface will extend into the hole, but this assumption MUST...

With a sufficiently strong flow a couple of holes would have done the samo job.

3.2 mEq/L = 8.96 dKh , which would be close to levels in seawater.

I am curious, why did you need the overflow box in the first place? Simple hole and the pipe/tube connected to it would do the same job.

Is this what you are looking for?

While the idea behind the cancer cell killing is rather intriguing and probably promissing (though the real challange will be the tagging of the cancer cells and only cancer cells), the "water fuel" idea is ridiculous and stupid when your realize how it works.

You might also want to try another test, something that Phyllis tried to ask you - take a "core" sample of your rock and test it along other samples. That will tell you if the rock is merely coated in silicates, in which case generous scrubbing, and extended curing will reduce them from the...

No one ? :(

Guys, remember, we started with phosphates :) , and they are based on phosphorus. While essential for many biomolecules and present in most biomasses, it is not a compound of mostly used plastics. Though the phosphates contamination of the plastic that the bucket is made of, can certainly exist...

You are absolutely right. As long as only the fluid is escaping from the syringe, you are OK, no matter how much air is in the syringe. The amount of fluid released will correspond to the volume displacement in the syringe which you read from the markings. And this is regardless of which...

That would be some really, really strange bucket, because phosphates normally do not come from plastics. Unless that bucket was full of some kind of detergent or fertilizer or something, before you used for salt mixing, there is no reason for it to contain any significant trace of phosphates...

For most of the tests this is OK (I do it for Ca, Alk and Mg) as long as you do not overshoot it you will be fine. For some tests (Sr for example), however, you need to do it slowly for two reasons - they require precise measurments in their intermediate steps, and some chemical reactions need...

Though they would prefer meaty food, they will also eat almost any kind of fish food - flakes, pelets.

How old are your RO/DI filters? Maybe you purchased the faulty one that is passing phosphates through.