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Help Looking to switch ferts

Joined
Sep 23, 2026
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Albuquerque
I'm looking to switch ferts I have a 20g low tech and 40g high tech both currently getting a mix of apt 1 and 3. I'm wanting to switch to pps pro using the gla salts (cheaper and gets my foot in the door with the dry ferts) for both tanks, but I've seen some recommend against it for low tech, I have no issues dosing daily, actually prefer it, and if I understand correctly, its actually better for the tank as far as stable nutrient levels. My question is, can this be done? Is it really that much of an issue to go pps pro on a low tech? I really want 1 solution (i.e. macro micro mixes) for both problems (the two tanks (obviously they'll need their own amounts as for as dose size)). I'm limited to 20 gallons of clean water at a time (remineralized with apt sky plus to 6 GH since I have neos, amanos and snails) due to space constraints so I can either do weekly 25% changes on the tanks or 50% changes every other week. Any and all input is welcome. TIA 🙂
 
Solution
For the best bang for your buck and total control, get GLA or NILOCG dry ferts and use Rotala Butterfly Nutrient Calculator to calculate your dosing. Once you get the hang of it it's super easy!
I did pps-pro with all of my tanks, mostly low-tech, for several years, before switching to Burr Aqua ferts for convenience. What is the reason given for not doing it?
 
I did pps-pro with all of my tanks, mostly low-tech, for several years, before switching to Burr Aqua ferts for convenience. What is the reason given for not doing it?
from another thread on here. "Honestly I wouldnt even bother trying to nail ppsp with a non co2 tank. Daily dosing is way too much trouble and the plants arent even using it that fast. Plus, and this is the big thing, your plants would likely benefit from having a higher concentration at one time, because the higher concentration makes it easier for plants to get the sm amounts they need"
 
Oh, well, for low-tech I actually did a weekly water change of around 30% and then added the ferts for the week. I had macro and micro solutions made with the dry salts, and dosed according to the pps-pro levels. I never used the method of testing with a TDS pen because I just make weekly water changes a habit regardless. It worked well.
 
Oh, well, for low-tech I actually did a weekly water change of around 30% and then added the ferts for the week. I had macro and micro solutions made with the dry salts, and dosed according to the pps-pro levels. I never used the method of testing with a TDS pen because I just make weekly water changes a habit regardless. It worked well.
thank you I think with what you've given me I'm going to give it a try.
 
I think GLA has pre-mixed macro ferts.
Could just buy that and dose using teaspoon measurings. Would make this pretty quick. You can just dose another fert you already have for micros etc.
Yeah I saw that went with the full gla kit though incase I want to adjust later down the line
 
I’ve been told that GLA dry ferts are more consistent than Nilocg

I've seen a lot of comments that their stuff is among the cleanest.

Any details on this? 🤔

Colin at Nilocg has been a mainstay support of the aquascaping hobby since the days of CF lighting 💯💯 Hate to see a solid small business tale a hit from Insta gossip, unless there are consistent concerns to back it up 🤔
 
Any details on this? 🤔

Colin at Nilocg has been a mainstay support of the aquascaping hobby since the days of CF lighting 💯💯 Hate to see a solid small business tale a hit from Insta gossip, unless there are consistent concerns to back it up 🤔
I can't speak to anything beyond hearsay, all I can say is hearing that and the screw top containers is why I went with gla (one bag of sky was enough to make me hate bags lol) I wouldn't be surprised to find out they're comparable though especially with a history like that, and they definitely still have a good reputation from everything I saw. I will say that gla did have a lot more information on dosing, ppm's, etc.. which helped me some as a first timer with dry salts.
 
No, sorry! It was just what I’ve seen said on TPT. I’ll stop passing it along then.
It’s fine with me if you just delete my comment.
 
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