Has anyone heard of getting dry fertilizers for planted tanks? I got this idea after getting the BRS calcium/alk 2-part mix. I'm tired of trying to compare liquid formulas (which are all the same), and not really knowing what is going into my tank. Getting dry chems seems much cheaper than getting it in a diluted form from a retail company.
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Greg Watson sold his original dry fert formula to AquariumFertilizers.com several years ago. I use their dry PMDD (poor man's dupla drops) Pre-mix with CSM+B. It costs about $6 a pound + shipping out of Ca. It contains N and K macros and traces. It doesn't contain P. It's easily mixxed to form a solution or can be dosed dry directly into the tank. Some folks love the ease of use while others want more control of the specific compounds and buy them separately. AF.com sells the individual compounds in dry form as well.
Bob's tropical plants also sells dry ferts.
MarkWhat are the facts? Again and again and again--what are the facts? Shun wishful thinking, ignore devine revelation, forget what "the stars foretell", avoid opinion, care not what the neighbors think, never mind the unguessable "verdict of history"--what are the facts, and to how many decimal places? You pilot always into an unknown future; facts are your only clue.
Robert Anson Heinlein
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Has anyone read up on the difference between Iron EDTA as apposed to Ferrous gluconate? They are the same price, but I can't find anything that makes them different. I find that so much of the chemicals that we put in our tanks contain EDTA, the fact that I can limit it makes me a bit excited.75 planted (Being Renovated)
Endlers
gobies
lots of nanos
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Haven't a clue... way above my limited knowledge. I do know that our local water contains enough iron that dosing really isn't necessary.
MarkWhat are the facts? Again and again and again--what are the facts? Shun wishful thinking, ignore devine revelation, forget what "the stars foretell", avoid opinion, care not what the neighbors think, never mind the unguessable "verdict of history"--what are the facts, and to how many decimal places? You pilot always into an unknown future; facts are your only clue.
Robert Anson Heinlein
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Dry fertilizers are easy/cheap to work with ... I also got mine from www.aquariumfertilizer.com. I haven't messed with dry traces or iron yet since I am still working my way through an old jug of Flourish.
The macros I dissolved together in a plastic bottle so I could just dose a capful a day. I'm following a ratio Tom Barr posted a while back.
I kind of guess when it comes to calcium/magnesium as I'm currently flying with no test kits...everything looks healthy enough though!
Remember: don't mix phosphate with iron (traces, CSM+B, etc) because it turns into useless precipitate.
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Dry is certainly more cost-effective. I have found however, that the Flourish Comprehensive (liquid) is a superior mix of micros compared to the dry micro-mixes I've tried (CSM+B and Miller Microplex). I don't really know what the difference is, but with the dry micros I always end up with either some deficiency or an overload of something else when I compensate for the deficit. Other than that, I use all powders.
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