Backyard Aquaponics
A place to discuss aquaponics

today a jump in PH to 8.6 all others at 0 ???? plants are doing ok marron don't mind a mid 8 ph but why the jump

What, if anything, did you do... or change...

nothing really rupe just got plants growing, haven't tested for a while as was stable but high ph test is purple so don't know, did give plants a tad of seasol as chinese cabbage was sad put is about all

and added about 15 more mussels

Overfeeding will caue a rapid PH rise.

quote]TC my water originally tap water with almost neutral PH and gets topped up by rain water, have an in tank filter around 27lt container filled with gravel and Blue Metal plus shade cloth, also have around 30lts of Blue metal and 25lts of clay balls in grow bed and 50lts of blue metal and around 300 kg of river stone in tank[/quote]

Hi Nocky I was womdering if the gravel you heave is a limestone like the cracker dust style??? I read on one site to test if limestone put stones in a cup and add white vinegar if it bubbles it is a limestone and the limestone will raise ph...I was going to put some gravel from the landscaping place around here but tested it and bubble bubble toil and trouble , I went to all clay pebbles took the problem out of the equation....
Good luck

not feeding OB,
and DD i have blue metal, the same as you make concrete with it is 1/2 - 3/4" in size has been there for months, I also have clay balls on top, I use Blue Metal because we have mountains of it at a cos of $0

I had blue metal and was always pushing the PH up to 8+
Never again.

mine's blue metal and I need shellgrit to keep the pH up!

blue metal has bee in for 6 months or more with no problems in the past