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Sodium carbonate or bicarbonate for pH control?

Sodium carbonate on the dwarf planet Ceres Sodium carbonate on the dwarf planet Ceres
(Source: NASA/JPL-Caltech)

Sodium carbonate (soda ash) raises pH over all common culture conditions.

It's more potent than bicarb, and that makes it a cost-effective choice for raising pH without adding excess alkalinity.

— 03 May 2023 (updated 18 Jun 2023)

Can I manage pH with sodium bicarbonate?

Sodium bicarbonate (baking soda) Sodium bicarbonate (baking soda)
NatureFriend at Pixabay

Sodium bicarbonate is the go-to reagent for many aquaculturists who want to raise pH.

But depending on the conditions of your culture water, bicarbonate will either raise pH, lower pH, or not change pH at all.

— 21 Jan 2023 (updated 23 Jan 2023)

Can I manage alkalinity with aeration?

This comes up in aquaculture, aquaponics, home aquarium chemistry, & pool management.

(Spoiler alert) No, you can't manage alkalinity with aeration. This post explains why.

— 27 Jul 2022 (updated 01 Nov 2022)

A cup of coffee...and a mole of donuts

This post removes some of the "mystery" of moles in measures of concentration for those new to aquaculture water quality.

It includes a worked example calculation + a software tool for mole-to-mass conversions.

— 12 Jun 2022 (updated 23 Oct 2022)

Aquaculture & 'the other ML'

"It's déjà vu all over again!" "It's déjà vu all over again!"

Aquaculture already uses a lot of ML — Manual Labor. The other ML — Machine Learning — has the potential to advance RAS.

This post is an intro to key ML vocabulary, concepts, & issues for aquaculturists.

— 02 Feb 2022 (updated 02 Dec 2022)