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I think an important distinction needs to be made here. That is the distinction between reliability and accuracy.
I don't think there are many people on this forum who believe that commercial test kits are accurate. As stated above the margin for error from reading the colours is enough to...
Guys, I've been adding K2CO3 for the last few weeks to my nano and can't get the KH to read 2 or above. I'm throwing in up to 1.5g of it at a time into a 27l P@H cube that gets pure RO for water changes (max 10% a week). Testing either half an hour or 24 hours later shows at most a change of...
Some great advice, thanks all. This is why I love this forum.
Have some tape so will try that as first step but might have to take you up on that offer as second step mate, before spending money on new adapters :thumbup:
Debate started on another thread so instead of hijacking someone else's thread thought I should start a separate one.
I recently bought an RO unit and have decided the only convenient place to run it off is my garden tap. Garden tap has a hozelock connector on it usually which does not leak...
Darrel, this is really really useful. You know that I've had some disasters in my nano and am now pretty sure that was down to very very low dKH. So want to avoid that happening again. Having just bought an RO unit being able to add something in case the ferts aren't doing it gives me a lot more...
Wow. Those are astonishing hardness readings. Where on earth do you live?
RE: phosphate readings, I'm not entirely sure how accurate the test kits are (I've never entirely trusted them). Also, what is your stocking level?
Yeah, have been wondering about this myself recently. Especially after I read an article I think I found linked from this forum by a guy who made his living doing water tests and had done a bunch on aquarium shops. Said most tanks had shed loads of salt in them and that most commercial...
My shrimp likes them. Biofilm grows on them which they eat. Don't know if they have much impact on the water in leaf form. Have used tea bag form in a filter and that had a big impact on water hardness.
Darrel said on my journal thread recently that for low KH systems big changes in PH aren't that meaningful. The explanation was just at the edge of my understanding so have a look at my nano journal for it. Or maybe he'll explain here.
RE: KH, there's this thread on PFK at the mo' (just read...
I also live in London. Do 50% water changes each week. 40% of the change is tap, 60% RO. Also inject co2 and use EI ferts. Parameters are - PH 6.5, KH 3, GH 7.
Good question. I do more or less the same (although I cut my RO with 1/3 tap) and wonder if I'm wasting my money.
I think part of the issue is what plants don't get from RO and part is what fish don't get. I've been told by many LFS that fish (and more so, shrimp) need what's in tap to survive...
LOL. As someone only just emerging from the dark ages I thought I'd add my experience. The amount I've spent on test kits over the last 7 years would probably pay for a full ADA setup.
Penny finally dropped a couple of months ago when I switched nitrate test kits. Old tetra kit was...
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